diff --git a/src/sna/compiler.h b/src/sna/compiler.h
index 2e579b15..c3d98797 100644
--- a/src/sna/compiler.h
+++ b/src/sna/compiler.h
@@ -50,7 +50,7 @@
 #define must_check
 #define constant
 #define pure
-#define tighly_packed
+#define tightly_packed
 #define flatten
 #define nonnull
 #define page_aligned