diff --git a/contrib/kiss-revdepends b/contrib/kiss-revdepends
index 492d305..7f30d35 100755
--- a/contrib/kiss-revdepends
+++ b/contrib/kiss-revdepends
@@ -5,5 +5,5 @@
 
 cd "$KISS_ROOT/var/db/kiss/installed"
 
-grep "^$1\( \|$\)"  -- */depends
+grep -E "^$1( |$)"  -- */depends