diff --git a/src/delete-caldav-object.c b/src/delete-caldav-object.c
index f55eae3..c634e47 100644
--- a/src/delete-caldav-object.c
+++ b/src/delete-caldav-object.c
@@ -283,6 +283,7 @@ gboolean caldav_delete(caldav_settings* settings, caldav_error* error) {
 				}
 				g_free(url);
 				g_free(lock_token);
+				g_free(lock_error.str);
 				if (result) {
 					g_free(settings->file);
 					settings->file = NULL;
@@ -518,6 +519,7 @@ gboolean caldav_tasks_delete(caldav_settings* settings, caldav_error* error) {
 				}
 				g_free(url);
 				g_free(lock_token);
+				g_free(lock_error.str);
 				if (result) {
 					g_free(settings->file);
 					settings->file = NULL;
diff --git a/src/modify-caldav-object.c b/src/modify-caldav-object.c
index 67bdb54..026d317 100644
--- a/src/modify-caldav-object.c
+++ b/src/modify-caldav-object.c
@@ -284,6 +284,7 @@ gboolean caldav_modify(caldav_settings* settings, caldav_error* error) {
 					}
 					g_free(url);
 					g_free(lock_token);
+					g_free(lock_error.str);
 					if (result) {
 						g_free(settings->file);
 						settings->file = NULL;
@@ -521,6 +522,7 @@ gboolean caldav_tasks_modify(caldav_settings* settings, caldav_error* error) {
 					}
 					g_free(url);
 					g_free(lock_token);
+					g_free(lock_error.str);
 					if (result) {
 						g_free(settings->file);
 						settings->file = NULL;