diff --git a/compiler/cpp/src/thrift.l b/compiler/cpp/src/thrift.l
index 839060e..e93bd26 100644
--- a/compiler/cpp/src/thrift.l
+++ b/compiler/cpp/src/thrift.l
@@ -33,7 +33,7 @@
 multicomm    ("/*""/"*([^*/]|[^*]"/"|"*"[^/])*"*"*"*/")
 comment      ("//"[^\n]*)
 unixcomment  ("#"[^\n]*)
-symbol       ([:\,\{\}\(\)\=<>\[\]])
+symbol       ([:;\,\{\}\(\)\=<>\[\]])
 literal      ("\""[^"]*"\"")
 
 %%