diff --git a/src/common.h b/src/common.h
index a4352c39..59c96844 100644
--- a/src/common.h
+++ b/src/common.h
@@ -313,6 +313,9 @@ GLOBAL dev_t root_device;
 
 /* Unquote filenames */
 GLOBAL bool unquote_option;
+
+GLOBAL bool test_label_option;
+
 
 /* Declarations for each module.  */