diff --git a/assert.h b/assert.h
index f8e9d05..e56b318 100644
--- a/assert.h
+++ b/assert.h
@@ -3,7 +3,7 @@
 #include <stdint.h>
 #include <stdio.h>
 
-#define ASSERTold(expr)                                                        \
+#define ASSERT(expr)                                                        \
     do {                                                                       \
         if (!(expr)) {                                                         \
             printf("ASSERTION FAILED: %s at %s:%d\n", #expr, __FILE__,         \