1 files changed, 1 insertions, 1 deletions
diff --git a/mu b/mu
index dabc77d6..76548f2f 100755
--- a/mu
+++ b/mu
@@ -2,7 +2,7 @@
 #
 # Compile mu if necessary before running it.
 
-./build
+./build || exit 1
 
 ./mu_bin $FLAGS "$@"