diff --git a/bindings/python/sample.py b/bindings/python/sample.py
index 2e2830ee..3112b26f 100755
--- a/bindings/python/sample.py
+++ b/bindings/python/sample.py
@@ -24,9 +24,9 @@ def test_ks(arch, mode, code, syntax=0):
 def test_sym_resolver():
     def sym_resolver(symbol, value):
         # is this the missing symbol we want to handle?
-        if symbol == "_l1":
+        if symbol == b"_l2":
             # put value of this symbol in @value
-            value = 0x1002
+            value.contents.value = 0x1002
             # we handled this symbol, so return true
             return True
 
@@ -38,7 +38,7 @@ def sym_resolver(symbol, value):
     # register callback for symbol resolver
     ks.sym_resolver = sym_resolver
 
-    CODE = b"jmp _l1; nop; _l1:"
+    CODE = b"jmp _l2; nop; _l1:"
     encoding, count = ks.asm(CODE, 0x1000)
 
     print("%s = [ " % CODE, end='')
diff --git a/llvm/keystone/ks.cpp b/llvm/keystone/ks.cpp
index 453df774..bfb0f6a8 100644
--- a/llvm/keystone/ks.cpp
+++ b/llvm/keystone/ks.cpp
@@ -522,7 +522,6 @@ ks_err ks_close(ks_engine *ks)
 KEYSTONE_EXPORT
 ks_err ks_option(ks_engine *ks, ks_opt_type type, size_t value)
 {
-    ks->MAI->setRadix(16);
     switch(type) {
         case KS_OPT_SYNTAX:
             if (ks->arch != KS_ARCH_X86)
diff --git a/llvm/lib/MC/MCAsmInfo.cpp b/llvm/lib/MC/MCAsmInfo.cpp
index 0939eb86..d7c83243 100644
--- a/llvm/lib/MC/MCAsmInfo.cpp
+++ b/llvm/lib/MC/MCAsmInfo.cpp
@@ -27,6 +27,7 @@ MCAsmInfo::MCAsmInfo() {
   CalleeSaveStackSlotSize = 4;
 
   IsLittleEndian = true;
+  Radix = 10;
   StackGrowsUp = false;
   HasSubsectionsViaSymbols = false;
   HasMachoZeroFillDirective = false;
diff --git a/llvm/lib/MC/MCAssembler.cpp b/llvm/lib/MC/MCAssembler.cpp
index 2e656e7d..4972cbc5 100644
--- a/llvm/lib/MC/MCAssembler.cpp
+++ b/llvm/lib/MC/MCAssembler.cpp
@@ -208,7 +208,7 @@ bool MCAssembler::evaluateFixup(const MCAsmLayout &Layout,
             ks_sym_resolver resolver = (ks_sym_resolver)KsSymResolver;
             if (resolver(Sym.getName().str().c_str(), &imm)) {
                 // resolver handled this symbol
-                Value = imm;
+                Value += imm;
                 IsResolved = true;
             } else {
                 // resolver did not handle this symbol
diff --git a/suite/regress/arm_sym_resolver.py b/suite/regress/arm_sym_resolver.py
index d43e1530..89dfb8ec 100755
--- a/suite/regress/arm_sym_resolver.py
+++ b/suite/regress/arm_sym_resolver.py
@@ -12,11 +12,11 @@
 class TestARM(regress.RegressTest):
     def runTest(self):
         def sym_resolver(symbol, value):
-            if symbol == "symBackward":
+            if symbol == b"symBackward":
                 value[0] = 0x0
                 return True
 
-            if symbol == "symForward":
+            if symbol == b"symForward":
                 value[0] = 0x20
                 return True
 
diff --git a/suite/regress/arm_sym_resolver_thumb.py b/suite/regress/arm_sym_resolver_thumb.py
index 47a3da2a..3cecc87d 100755
--- a/suite/regress/arm_sym_resolver_thumb.py
+++ b/suite/regress/arm_sym_resolver_thumb.py
@@ -12,11 +12,11 @@
 class TestARM(regress.RegressTest):
     def runTest(self):
         def sym_resolver(symbol, value):
-            if symbol == "symBackward":
+            if symbol == b"symBackward":
                 value[0] = 0x0
                 return True
 
-            if symbol == "symForward":
+            if symbol == b"symForward":
                 value[0] = 0x20
                 return True
 
diff --git a/suite/regress/x64_sym_resolver.py b/suite/regress/x64_sym_resolver.py
index 1bf6a121..4f44561a 100755
--- a/suite/regress/x64_sym_resolver.py
+++ b/suite/regress/x64_sym_resolver.py
@@ -13,11 +13,11 @@ class TestX86(regress.RegressTest):
     def runTest(self):
         def sym_resolver(symbol, value):
             # is this the missing symbol we want to handle?
-            if symbol == "ZwQueryInformationProcess":
+            if symbol == b"ZwQueryInformationProcess":
                 # put value of this symbol in @value
-                value = 0x7FF98A050840
+                value.contents.value = 0x7FF98A050840
                 # we handled this symbol, so return true
-                print 'sym_resolver called!'
+                print('sym_resolver called!')
                 return True
  
             # we did not handle this symbol, so return false
diff --git a/suite/regress/x86_call_ptr_sym.py b/suite/regress/x86_call_ptr_sym.py
index 0d3afb71..4470b216 100755
--- a/suite/regress/x86_call_ptr_sym.py
+++ b/suite/regress/x86_call_ptr_sym.py
@@ -12,7 +12,7 @@
 
 def sym_resolver(symbol, value):
     if symbol == b'GetPhoneBuildString':
-        value = 0x41b000
+        value.contents.value = 0x41b000
         return True
     return False
 
diff --git a/suite/regress/x86_issue293.py b/suite/regress/x86_issue293.py
index b1037deb..cf9863b8 100755
--- a/suite/regress/x86_issue293.py
+++ b/suite/regress/x86_issue293.py
@@ -17,7 +17,7 @@ def runTest(self):
         try:
             # An exception should be raised from the jnz exit:; being bad
             encoding, count = ks.asm(b"jnz exit:; add eax, ebx; exit: ret")
-        except Exception, e:
+        except Exception as e:
             return
         raise Exception