diff --git a/script.sh b/script.sh
index e944aaa..8fd8bb5 100755
--- a/script.sh
+++ b/script.sh
@@ -96,7 +96,7 @@ tokenize_file()
 
     git cat-file blob $ref 2>/dev/null |
     tr '\n' '\1' |
-    perl -pe 's%((/\*.*?\*/|//.*?\001|"(\\.|.)*?"|# *include *<.*?>|\W)+)(\w+)?%\1\n\4\n%g' |
+    perl -pe 's%((/\*.*?\*/|//.*?\001|[^'"'"']"(\\.|.)*?"|# *include *<.*?>|\W)+)(\w+)?%\1\n\4\n%g' |
     head -n -1
 }