diff --git a/main/pbx.c b/main/pbx.c
index 5ec4979212..efeddaf6bb 100644
--- a/main/pbx.c
+++ b/main/pbx.c
@@ -9154,6 +9154,8 @@ int ast_build_timing(struct ast_timing *i, const char *info_in)
 	char *info;
 	int j, num_fields, last_sep = -1;
 
+	i->timezone = NULL;
+
 	/* Check for empty just in case */
 	if (ast_strlen_zero(info_in)) {
 		return 0;
@@ -9173,8 +9175,6 @@ int ast_build_timing(struct ast_timing *i, const char *info_in)
 	/* save the timezone, if it is specified */
 	if (num_fields == 5) {
 		i->timezone = ast_strdup(info + last_sep + 1);
-	} else {
-		i->timezone = NULL;
 	}
 
 	/* Assume everything except time */
diff --git a/utils/extconf.c b/utils/extconf.c
index a31fe283ad..981a64e61a 100644
--- a/utils/extconf.c
+++ b/utils/extconf.c
@@ -4454,6 +4454,8 @@ int ast_build_timing(struct ast_timing *i, const char *info_in)
 	char *info;
 	int j, num_fields, last_sep = -1;
 
+	i->timezone = NULL;
+
 	/* Check for empty just in case */
 	if (ast_strlen_zero(info_in)) {
 		return 0;
@@ -4473,8 +4475,6 @@ int ast_build_timing(struct ast_timing *i, const char *info_in)
 	/* save the timezone, if it is specified */
 	if (num_fields == 5) {
 		i->timezone = ast_strdup(info + last_sep + 1);
-	} else {
-		i->timezone = NULL;
 	}
 
 	/* Assume everything except time */