diff --git a/main/logger.c b/main/logger.c
index fac68d9b6b..13f6de8902 100644
--- a/main/logger.c
+++ b/main/logger.c
@@ -601,7 +601,7 @@ static int init_logger_chain(const char *altconf)
 
 	/* If no config file, we're fine, set default options. */
 	if (!cfg) {
-		if (!(chan = ast_calloc(1, sizeof(*chan)))) {
+		if (!(chan = ast_calloc(1, sizeof(*chan) + 1))) {
 			fprintf(stderr, "Failed to initialize default logging\n");
 			return -1;
 		}