diff --git a/.github/workflows/macos-alpha-build.yml b/.github/workflows/macos-alpha-build.yml
index 67bd6a8fd..3bee97eef 100644
--- a/.github/workflows/macos-alpha-build.yml
+++ b/.github/workflows/macos-alpha-build.yml
@@ -83,7 +83,11 @@ jobs:
       - name: build Zen
         env:
           SURFER_COMPAT: ${{ matrix.arch == 'x64' }}
-        run: sh .github/workflows/src/alpha-build.sh
+        run: |
+          if test "${{ matrix.arch }}" = "x64"; then
+            export ZEN_DISABLE_LTO=1
+          fi
+          sh .github/workflows/src/alpha-build.sh
 
       - name: Rebuild Zen if failed
         if: failure()
diff --git a/configs/common/mozconfig b/configs/common/mozconfig
index 81fc71eb3..b2a02e7f1 100644
--- a/configs/common/mozconfig
+++ b/configs/common/mozconfig
@@ -48,9 +48,11 @@ if test "$ZEN_RELEASE"; then
 
   ac_add_options --disable-vtune
 
-  export MOZ_LTO=1
-  ac_add_options MOZ_LTO=1
-  ac_add_options --enable-lto=full,cross
+  if ! test "$ZEN_DISABLE_LTO"; then
+    export MOZ_LTO=1
+    ac_add_options MOZ_LTO=1
+    ac_add_options --enable-lto=full,cross
+  fi
 
   ac_add_options --enable-jemalloc
 
diff --git a/configs/macos/mozconfig b/configs/macos/mozconfig
index c179a432e..63ce1b4d0 100644
--- a/configs/macos/mozconfig
+++ b/configs/macos/mozconfig
@@ -13,10 +13,6 @@ if test "$SURFER_COMPAT" = "true"; then
     ac_add_options MOZ_PGO=1
     ac_add_options --target=x86_64-apple-darwin
 
-    # it crashes the builds
-    unset MOZ_LTO
-    ac_add_options --disable-lto
-
     ac_add_options --enable-wasm-avx
     ac_add_options --enable-optimize="-O3 -march=x86-64-v3"