1 files changed, 1 insertions, 1 deletions
diff --git a/diffutils.morph b/diffutils.morph
index 6e547fc..ae2a78e 100644
--- a/diffutils.morph
+++ b/diffutils.morph
@@ -2,7 +2,7 @@
     "name": "diffutils",
     "kind": "chunk",
     "configure-commands": [
-        "./configure --prefix=/usr"
+        "./configure --prefix=\"${PREFIX-/usr}\""
     ],
     "build-commands": [
         "make"