--- a/build/macosx/universal/mozconfig.common
+++ b/build/macosx/universal/mozconfig.common
@@ -36,17 +36,17 @@ if test "$MOZ_BUILD_APP" = "i386" -o "$M
   # conditionalized differences between builds.
   CC="$CC -arch $TARGET_CPU"
   CXX="$CXX -arch $TARGET_CPU"
 
   # These must be set for cross builds, and don't hurt straight builds.
   RANLIB="${TOOLCHAIN_PREFIX}ranlib"
   AR="${TOOLCHAIN_PREFIX}ar"
   AS=$CC
-  STRIP="strip"
+  STRIP="${TOOLCHAIN_PREFIX}strip"
   OTOOL="${TOOLCHAIN_PREFIX}otool"
 
   # Each per-CPU build should be entirely oblivious to the fact that a
   # universal binary will be produced.  The exception is packager.mk, which
   # needs to know to look for universal bits when building the .dmg.
   UNIVERSAL_BINARY=1
 
   export CC CXX HOST_CC HOST_CXX RANLIB AR AS STRIP OTOOL