diff --git a/bin/detect b/bin/detect
index c9db66d..64b4a5e 100755
--- a/bin/detect
+++ b/bin/detect
@@ -3,7 +3,7 @@
 
 BUILD_DIR=$1
 
-if [ ! -f $BUILD_DIR/requirements.txt ] || [ ! -f $BUILD_DIR/setup.py ]; then
+if [ ! -f $BUILD_DIR/requirements.txt ] && [ ! -f $BUILD_DIR/setup.py ]; then
   exit 1
 fi