diff --git a/test/test-spawn.c b/test/test-spawn.c
index 6a8487470..efbb2395f 100644
--- a/test/test-spawn.c
+++ b/test/test-spawn.c
@@ -1054,7 +1054,7 @@ TEST_IMPL(kill) {
     sigaddset(&set, SIGTERM);
     ASSERT_OK(pthread_sigmask(SIG_BLOCK, &set, NULL));
   }
-  ASSERT_NE(SIG_ERR, signal(SIGTERM, SIG_IGN));
+  ASSERT_PTR_NE(SIG_ERR, signal(SIGTERM, SIG_IGN));
 #endif
 
   r = uv_spawn(uv_default_loop(), &process, &options);
@@ -1067,7 +1067,7 @@ TEST_IMPL(kill) {
     sigaddset(&set, SIGTERM);
     ASSERT_OK(pthread_sigmask(SIG_UNBLOCK, &set, NULL));
   }
-  ASSERT_NE(SIG_ERR, signal(SIGTERM, SIG_DFL));
+  ASSERT_PTR_NE(SIG_ERR, signal(SIGTERM, SIG_DFL));
 #endif
 
   /* Sending signum == 0 should check if the