1 files changed, 2 insertions, 2 deletions
diff --git a/testing.h b/testing.h
index 3fc5df5..d7247f1 100644
--- a/testing.h
+++ b/testing.h
@@ -10,7 +10,7 @@
 #define t_assert_equal(a, b)                                                   \
     if (!(a == b)) {                                                           \
         fprintf(stderr,                                                        \
-                "Assertion failed: %d (%s) != %d (%s) at %s:%d in %s()\n", a,  \
-                #a, b, #b, __FILE__, __LINE__, __func__);                      \
+                "Assertion failed: %d (%s) != %d (%s) at %s:%d in %s()\n",     \
+                (int)a, #a, (int)b, #b, __FILE__, __LINE__, __func__);         \
         return 1;                                                              \
     }