diff --git a/src/cache.c b/src/cache.c
index c73f8c3..f3dc6b6 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -39,6 +39,7 @@ int cache_process() {
     void *shm_rw = shmat(shm_id, NULL, 0);
     if (shm_rw == (void *) -1) {
         fprintf(stderr, ERR_STR "Unable to attach shared memory (rw): %s" CLR_STR "\n", strerror(errno));
+        shmctl(shm_id, IPC_RMID, NULL);
         return -2;
     }
     cache = shm_rw;