diff --git a/scripts/test-dhe-key-share-random.py b/scripts/test-dhe-key-share-random.py
index 7921be656..9df46a89b 100644
--- a/scripts/test-dhe-key-share-random.py
+++ b/scripts/test-dhe-key-share-random.py
@@ -42,6 +42,7 @@ def help_msg():
     print("                (excluding \"sanity\" tests)")
     print(" --repeat num   repeat every test num times to collect the values")
     print("                32 by default")
+    print(" -z             disable 1/n-1 record split for TLS1.0")
     print(" --help         this message")
 
 
@@ -52,9 +53,10 @@ def main():
     num_limit = None
     run_exclude = set()
     repeats = 32
+    record_split = True
 
     argv = sys.argv[1:]
-    opts, args = getopt.getopt(argv, "h:p:e:n:", ["help", "repeat="])
+    opts, args = getopt.getopt(argv, "h:p:e:n:z", ["help", "repeat="])
     for opt, arg in opts:
         if opt == '-h':
             host = arg
@@ -64,6 +66,8 @@ def main():
             run_exclude.add(arg)
         elif opt == '-n':
             num_limit = int(arg)
+        elif opt == '-z':
+            record_split = False
         elif opt == '--help':
             help_msg()
             sys.exit(0)
@@ -145,7 +149,7 @@ def main():
             node = node.add_child(ApplicationDataGenerator(
                 bytearray(b"GET / HTTP/1.0\n\n")))
             node = node.add_child(ExpectApplicationData())
-            if prot < (3, 2):
+            if prot < (3, 2) and record_split:
                 # 1/n-1 record splitting
                 node = node.add_child(ExpectApplicationData())
             node = node.add_child(AlertGenerator(AlertLevel.warning,
diff --git a/scripts/test-dhe-no-shared-secret-padding.py b/scripts/test-dhe-no-shared-secret-padding.py
index 56442398a..498b2b600 100644
--- a/scripts/test-dhe-no-shared-secret-padding.py
+++ b/scripts/test-dhe-no-shared-secret-padding.py
@@ -43,6 +43,7 @@ def help_msg():
     print(" --min-zeros m  minimal number of zeros that have to be cut from")
     print("                shared secret for test case to be valid,")
     print("                1 by default")
+    print(" -z             disable 1/n-1 record split for TLS1.0")
     print(" --help         this message")
 
 
@@ -53,9 +54,10 @@ def main():
     num_limit = None
     run_exclude = set()
     min_zeros = 1
+    record_split = True
 
     argv = sys.argv[1:]
-    opts, args = getopt.getopt(argv, "h:p:e:n:", ["help", "min-zeros="])
+    opts, args = getopt.getopt(argv, "h:p:e:n:z", ["help", "min-zeros="])
     for opt, arg in opts:
         if opt == '-h':
             host = arg
@@ -65,6 +67,8 @@ def main():
             run_exclude.add(arg)
         elif opt == '-n':
             num_limit = int(arg)
+        elif opt == '-z':
+            record_split = False
         elif opt == '--help':
             help_msg()
             sys.exit(0)
@@ -143,7 +147,7 @@ def main():
             node = node.add_child(ApplicationDataGenerator(
                 bytearray(b"GET / HTTP/1.0\n\n")))
             node = node.add_child(ExpectApplicationData())
-            if prot < (3, 2):
+            if prot < (3, 2) and record_split:
                 # 1/n-1 record splitting
                 node = node.add_child(ExpectApplicationData())
             node = node.add_child(AlertGenerator(AlertLevel.warning,
diff --git a/scripts/test-ecdhe-padded-shared-secret.py b/scripts/test-ecdhe-padded-shared-secret.py
index 9e924b7bd..0fb282f56 100644
--- a/scripts/test-ecdhe-padded-shared-secret.py
+++ b/scripts/test-ecdhe-padded-shared-secret.py
@@ -44,6 +44,7 @@ def help_msg():
     print(" --min-zeros m  minimal number of zeros that have to be cut from")
     print("                shared secret for test case to be valid,")
     print("                1 by default")
+    print(" -z             disable 1/n-1 record split for TLS1.0")
     print(" --help         this message")
 
 
@@ -54,9 +55,10 @@ def main():
     num_limit = None
     run_exclude = set()
     min_zeros = 1
+    record_split = True
 
     argv = sys.argv[1:]
-    opts, args = getopt.getopt(argv, "h:p:e:n:", ["help", "min-zeros="])
+    opts, args = getopt.getopt(argv, "h:p:e:n:z", ["help", "min-zeros="])
     for opt, arg in opts:
         if opt == '-h':
             host = arg
@@ -66,6 +68,8 @@ def main():
             run_exclude.add(arg)
         elif opt == '-n':
             num_limit = int(arg)
+        elif opt == '-z':
+            record_split = False
         elif opt == '--help':
             help_msg()
             sys.exit(0)
@@ -164,7 +168,7 @@ def main():
                 node = node.add_child(ApplicationDataGenerator(
                     bytearray(b"GET / HTTP/1.0\n\n")))
                 node = node.add_child(ExpectApplicationData())
-                if prot < (3, 2):
+                if prot < (3, 2) and record_split:
                     # 1/n-1 record splitting
                     node = node.add_child(ExpectApplicationData())
                 node = node.add_child(AlertGenerator(AlertLevel.warning,
diff --git a/scripts/test-ecdhe-rsa-key-share-random.py b/scripts/test-ecdhe-rsa-key-share-random.py
index 0a6c55450..5703a8e6d 100644
--- a/scripts/test-ecdhe-rsa-key-share-random.py
+++ b/scripts/test-ecdhe-rsa-key-share-random.py
@@ -44,6 +44,7 @@ def help_msg():
     print("                (excluding \"sanity\" tests)")
     print(" --repeat num   repeat every test num times to collect the values")
     print("                32 by default")
+    print(" -z             disable 1/n-1 record split for TLS1.0")
     print(" --help         this message")
 
 
@@ -54,9 +55,10 @@ def main():
     num_limit = None
     run_exclude = set()
     repeats = 32
+    record_split = True
 
     argv = sys.argv[1:]
-    opts, args = getopt.getopt(argv, "h:p:e:n:", ["help", "repeat="])
+    opts, args = getopt.getopt(argv, "h:p:e:n:z", ["help", "repeat="])
     for opt, arg in opts:
         if opt == '-h':
             host = arg
@@ -69,6 +71,8 @@ def main():
         elif opt == '--help':
             help_msg()
             sys.exit(0)
+        elif opt == '-z':
+            record_split = False
         elif opt == '--repeat':
             repeats = int(arg)
         else:
@@ -170,7 +174,7 @@ def main():
                 node = node.add_child(ApplicationDataGenerator(
                     bytearray(b"GET / HTTP/1.0\n\n")))
                 node = node.add_child(ExpectApplicationData())
-                if prot < (3, 2):
+                if prot < (3, 2) and record_split:
                     # 1/n-1 record splitting
                     node = node.add_child(ExpectApplicationData())
                 node = node.add_child(AlertGenerator(AlertLevel.warning,
diff --git a/scripts/test-serverhello-random.py b/scripts/test-serverhello-random.py
index d11ffd74c..bef758a5b 100644
--- a/scripts/test-serverhello-random.py
+++ b/scripts/test-serverhello-random.py
@@ -42,6 +42,7 @@ def help_msg():
     print("                (excluding \"sanity\" tests)")
     print(" --repeat num   repeat every test num times to collect the values")
     print("                32 by default")
+    print(" -z             disable 1/n-1 record split for TLS1.0")
     print(" --help         this message")
 
 
@@ -52,9 +53,10 @@ def main():
     num_limit = None
     run_exclude = set()
     repeats = 32
+    record_split = True
 
     argv = sys.argv[1:]
-    opts, args = getopt.getopt(argv, "h:p:e:n:", ["help", "repeat="])
+    opts, args = getopt.getopt(argv, "h:p:e:n:z", ["help", "repeat="])
     for opt, arg in opts:
         if opt == '-h':
             host = arg
@@ -64,6 +66,8 @@ def main():
             run_exclude.add(arg)
         elif opt == '-n':
             num_limit = int(arg)
+        elif opt == '-z':
+            record_split = False
         elif opt == '--help':
             help_msg()
             sys.exit(0)
@@ -140,7 +144,7 @@ def main():
             node = node.add_child(ApplicationDataGenerator(
                 bytearray(b"GET / HTTP/1.0\n\n")))
             node = node.add_child(ExpectApplicationData())
-            if prot < (3, 2):
+            if prot < (3, 2) and record_split:
                 # 1/n-1 record splitting
                 node = node.add_child(ExpectApplicationData())
             node = node.add_child(AlertGenerator(AlertLevel.warning,