diff --git a/makefile b/makefile
index abe04b6..6d50cb0 100644
--- a/makefile
+++ b/makefile
@@ -19,7 +19,7 @@ ${playbooks}:
 
 store-credentials: credentials.tar.gpg
 
-credentials.tar.gpg: $(shell find "${credentials_dir}" -type f)
+credentials.tar.gpg: $(shell find "${credentials_dir}")
 	tar -cf - "${credentials_dir}" | gpg --encrypt --recipient 73D09948B2392D688A45DC8393E1BD26F6B02FB7 > "$@"
 
 load-credentials: