diff --git a/Makefile b/Makefile
index f0f1fe57442..3c02570b232 100644
--- a/Makefile
+++ b/Makefile
@@ -43,20 +43,20 @@ ENABLE_FEATURES ?=
 #
 # Note that enabling frame-pointer means that the Rust standard library will
 # be recompiled.
-# ifndef PROXY_FRAME_POINTER
+ifndef PROXY_FRAME_POINTER
 ARCH=$(shell uname -m)
 export PROXY_FRAME_POINTER=1
-# # Disable when x86, See https://github.com/pingcap/tiflash/issues/6091
-# ifeq ($(ARCH),i386)
-# export PROXY_FRAME_POINTER=0
-# endif
-# ifeq ($(ARCH),i686)
-# export PROXY_FRAME_POINTER=0
-# endif
-# ifeq ($(ARCH),x86_64)
-# export PROXY_FRAME_POINTER=0
-# endif
-# endif
+# Disable when x86, See https://github.com/pingcap/tiflash/issues/6091
+ifeq ($(ARCH),i386)
+export PROXY_FRAME_POINTER=0
+endif
+ifeq ($(ARCH),i686)
+export PROXY_FRAME_POINTER=0
+endif
+ifeq ($(ARCH),x86_64)
+export PROXY_FRAME_POINTER=0
+endif
+endif
 
 ifeq ($(PROXY_FRAME_POINTER),1)
 export RUSTFLAGS := $(RUSTFLAGS) -Cforce-frame-pointers=yes