diff --git a/Namcap/util.py b/Namcap/util.py
index 21d7163..145d87b 100644
--- a/Namcap/util.py
+++ b/Namcap/util.py
@@ -70,6 +70,11 @@ def script_type(path):
 	if m != None:
 		cmd = m.group(1).split()
 		name = cmd[0]
+
+		#Fix (FS#7933)
+		if not re.match('^[a-zA-Z0-9_-]*$', name):
+			return None
+
 		if name == 'env':
 			name = cmd[1]
 		return name