diff --git a/bin/utils b/bin/utils
index 742cd1c..a57d54e 100755
--- a/bin/utils
+++ b/bin/utils
@@ -76,7 +76,7 @@ deep-rm() {
 sub-env() {
 
   WHITELIST=${2:-''}
-  BLACKLIST=${3:-'^(GIT_DIR|PYTHONHOME|PYTHONPATH|LD_LIBRARY_PATH|LIBRARY_PATH|PATH)$'}
+  BLACKLIST=${3:-'^(GIT_DIR|PYTHONHOME|LD_LIBRARY_PATH|LIBRARY_PATH|PATH)$'}
 
   (
     if [ -d "$ENV_DIR" ]; then