diff --git a/be/src/vec/functions/function_string.h b/be/src/vec/functions/function_string.h
index f0566b2d8070c1..0490238d9c2210 100644
--- a/be/src/vec/functions/function_string.h
+++ b/be/src/vec/functions/function_string.h
@@ -1322,6 +1322,9 @@ class FunctionReplace : public IFunction {
 
 private:
     std::string replace(std::string str, std::string_view old_str, std::string_view new_str) {
+        if (old_str.empty()) {
+            return str;
+        }
         std::string::size_type pos = 0;
         std::string::size_type oldLen = old_str.size();
         std::string::size_type newLen = new_str.size();