diff --git a/src/util/src/tutil.c b/src/util/src/tutil.c
index 70285eb3cc6d377dee83e6a261fa3809d46a6f8a..bda52936f90d07b1fde598de9ca683c8a1b8b82a 100644
--- a/src/util/src/tutil.c
+++ b/src/util/src/tutil.c
@@ -56,6 +56,9 @@ int32_t strdequote(char *z) {
 int32_t strRmquote(char *z, int32_t len){  
     // delete escape character: \\, \', \"
     char delim = z[0];
+    if (delim != '\'' && delim != '\"') {
+      return len;
+    }
   
     int32_t cnt = 0;
     int32_t j = 0;