diff --git a/src/scripting.c b/src/scripting.c
index 9282b7fd975b76df7cd47b2632eb3cf64cef710a..a5c59b113d043056c33505638204e59dc6d4f63a 100644
--- a/src/scripting.c
+++ b/src/scripting.c
@@ -2473,6 +2473,7 @@ void ldbEval(lua_State *lua, sds *argv, int argc) {
             ldbLog(sdscatfmt(sdsempty(),"<error> %s",lua_tostring(lua,-1)));
             lua_pop(lua,1);
             sdsfree(code);
+            sdsfree(expr);
             return;
         }
     }