diff --git a/bin/cdist-config b/bin/cdist-config
index f7fb5ac0..88e3068f 100644
--- a/bin/cdist-config
+++ b/bin/cdist-config
@@ -398,7 +398,7 @@ __cdist_type_has_explorer()
 __cdist_type_explorer_pushed()
 {
    [ -f "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}" ] \
-      && grep -q "$1" "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}"
+      && grep -x -q "$1" "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}"
 }
 
 __cdist_type_explorer_pushed_add()