diff --git a/src/query/management/src/procedure/procedure_mgr.rs b/src/query/management/src/procedure/procedure_mgr.rs
index 1c0de9cd5e97e..dfba2d85b3448 100644
--- a/src/query/management/src/procedure/procedure_mgr.rs
+++ b/src/query/management/src/procedure/procedure_mgr.rs
@@ -112,9 +112,7 @@ impl ProcedureMgr {
             })
             .await?;
         if dropped.is_none() {
-            if req.if_exists {
-                // Ok
-            } else {
+            if !req.if_exists {
                 return Err(AppError::from(name_ident.unknown_error("drop procedure")).into());
             }
         }