diff --git a/sh/core/code.awk b/sh/core/code.awk
index 4875e34..3305853 100644
--- a/sh/core/code.awk
+++ b/sh/core/code.awk
@@ -132,6 +132,8 @@ RE_SHEBANG = RE_BEGIN "#!" RE_SPACES RE_ANY RE_END
 RE_TASK = RE_BEGIN RE_SPACES "#" RE_SPACES RE_TSK RE_ANY RE_END
 re["variable"] = RE_BEGIN RE_VAR RE_SET RE_END
 
+current_function = ""
+current_match = ""
 doc = ""
 line = 0
 module = ""