diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index d8dbc2c8b..b15a6c1c3 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -2348,6 +2348,7 @@ static int smp_reg_list_noread(struct target *target,
 						local_list = realloc(local_list, combined_allocated * sizeof(struct reg *));
 						if (!local_list) {
 							LOG_ERROR("realloc(%zu) failed", combined_allocated * sizeof(struct reg *));
+							free(reg_list);
 							return ERROR_FAIL;
 						}
 					}