diff --git a/extra/zip/build b/extra/zip/build
index ce768230..a532aa9c 100755
--- a/extra/zip/build
+++ b/extra/zip/build
@@ -2,7 +2,7 @@
 
 make \
     prefix=/usr \
-    CC="${CC:-cc} $CFLAGS $CXXFLAGS" \
+    CC="$CC $CFLAGS $CXXFLAGS" \
     -f unix/Makefile generic
 
 make \