diff --git a/mathics/doc/latex_doc.py b/mathics/doc/latex_doc.py
index e5689b371..70df4c67b 100644
--- a/mathics/doc/latex_doc.py
+++ b/mathics/doc/latex_doc.py
@@ -58,7 +58,7 @@
 # We keep track of the number of \begin{asy}'s we see so that
 # we can assocation asymptote file numbers with where they are
 # in the document
-asy_count = 0
+next_asy_number = 1
 
 ITALIC_RE = re.compile(r"(?s)<(?P<tag>i)>(?P<content>.*?)</(?P=tag)>")
 
@@ -565,10 +565,11 @@ def latex(self, doc_data: dict) -> str:
 
             test_text = result["result"]
             if test_text:  # is not None and result['result'].strip():
-                if test_text.find("\\begin{asy}") >= 0:
-                    global asy_count
-                    asy_count += 1
-                    text += f"%% mathics-{asy_count}.asy\n"
+                asy_count = test_text.count("\\begin{asy}")
+                if asy_count >= 0:
+                    global next_asy_number
+                    text += f"%% mathics-{next_asy_number}.asy\n"
+                    next_asy_number += asy_count
 
                 text += "\\begin{testresult}%s\\end{testresult}" % result["result"]
         text += "\\end{testcase}"