1 files changed, 1 insertions, 1 deletions
diff --git a/src/common.hff b/src/common.hff
index 02859f8..3d90c55 100644
--- a/src/common.hff
+++ b/src/common.hff
@@ -5,7 +5,7 @@ import "libc.hff";
 defmacro assert {
 (ex, s, ...args) [
    (do
-      if not (ex) {
+      if !(ex) {
          fprintf(stderr, "%s:%d: assertion failed: ", #FILE, #LINE);
          fprintf(stderr, s, args);
          fprintf(stderr, "\n");