diff --git a/pbx.c b/pbx.c
index 04f1569769..ed8f683748 100755
--- a/pbx.c
+++ b/pbx.c
@@ -4381,7 +4381,8 @@ static int pbx_builtin_answer(struct ast_channel *chan, void *data)
 static int pbx_builtin_setlanguage(struct ast_channel *chan, void *data)
 {
 	/* Copy the language as specified */
-	strncpy(chan->language, (char *)data, sizeof(chan->language)-1);
+	if (data)	
+		strncpy(chan->language, (char *)data, sizeof(chan->language)-1);
 	return 0;
 }