diff --git a/src/build.sh b/src/build.sh
index 6bd6bf5..ba4a73d 100644
--- a/src/build.sh
+++ b/src/build.sh
@@ -13,7 +13,7 @@ echo $BUILDPATH
 
 
 #unzip this or something
-curl -RO $DOWNLOAD
+curl -RO "$DOWNLOAD"
 tar -xzf "firefox-$VERSION.source.tar.xz src"