Index: app_minivm.c
===================================================================
--- app_minivm.c	(revision 66224)
+++ app_minivm.c	(working copy)
@@ -2515,6 +2515,7 @@
 	/* Make sure we could load configuration file */
 	if (!cfg) {
 		ast_log(LOG_WARNING, "Failed to load configuration file. Module activated with default settings.\n");
+		ast_mutex_unlock (&minivmlock);
 		return 0;
 	}