1 files changed, 1 insertions, 1 deletions
diff --git a/zlib.morph b/zlib.morph
index b40498d..8021f02 100644
--- a/zlib.morph
+++ b/zlib.morph
@@ -3,7 +3,7 @@
     "kind": "chunk",
     "max-jobs": "1",
     "configure-commands": [
-        "LD_LIBRARY_PATH=\"/tools/lib:$LD_LIBRARY_PATH\" PATH=\"/tools/bin:$PATH\" prefix=/usr CC='gcc -B/usr/lib -B/usr/lib64' ./configure"
+        "LD_LIBRARY_PATH=\"/tools/lib:$LD_LIBRARY_PATH\" PATH=\"/tools/bin:$PATH\" prefix=\"${PREFIX-/usr}\" CC='gcc -B/usr/lib -B/usr/lib64' ./configure"
     ],
     "build-commands": [
         "LD_LIBRARY_PATH=\"/tools/lib:$LD_LIBRARY_PATH\" PATH=\"/tools/bin:$PATH\" make"