diff --git a/ports/browser/build b/ports/browser/build
index ecda9a8..7e10459 100755
--- a/ports/browser/build
+++ b/ports/browser/build
@@ -20,7 +20,7 @@ for patch in *.patch; do
     patch -p1 < "$patch"
 done
 
-export CFLAGS="$CFLAGS -fno-exceptions"
+export CFLAGS="$(echo $CFLAGS|sed s/-fexceptions/-fno-exceptions)"
 export CXXFLAGS="$CFLAGS"
 export LDFLAGS="$LDFLAGS -Wl,-rpath=/usr/lib/browser"