diff --git a/lib/grading/test_ipc.c b/lib/grading/test_ipc.c
index a72a38b..0e2219f 100644
--- a/lib/grading/test_ipc.c
+++ b/lib/grading/test_ipc.c
@@ -3,9 +3,9 @@
 #include <spawn/spawn.h>
 
 void do_test_ipc(void) {
-    struct spawninfo si;
-    domainid_t pid;
+    struct spawninfo *si = malloc(sizeof(struct spawninfo));
+    domainid_t *pid = malloc(sizeof(domainid_t));
 
-    CHECK_ERR(spawn_load_by_name("memeater", &si, &pid));
+    CHECK_ERR(spawn_load_by_name("memeater", si, pid));
 }