diff --git a/configs/macos/mozconfig b/configs/macos/mozconfig
index 4bf793039..f10dd15c3 100644
--- a/configs/macos/mozconfig
+++ b/configs/macos/mozconfig
@@ -6,8 +6,10 @@ ac_add_options --enable-eme=widevine
 export MOZ_MACBUNDLE_ID=${appId}
 export MOZ_MACBUNDLE_NAME="Zen Browser.app"
 
-export MOZ_PGO=1
-ac_add_options MOZ_PGO=1
+if test "$ZEN_RELEASE"; then
+  export MOZ_PGO=1
+  ac_add_options MOZ_PGO=1
+fi
 
 if test "$SURFER_COMPAT" = "x86_64"; then
     ac_add_options --target=x86_64-apple-darwin