diff --git a/array.h b/array.h
index c5ed3d02..d48dbacb 100644
--- a/array.h
+++ b/array.h
@@ -102,7 +102,7 @@
 
 #define ARRAY_CONCAT(a, b) do {						\
 	ARRAY_ENSURE(a, (b)->num);					\
-	memcpy((a)->list + (a)->num, (b)->list, (b)->num * ARRAY_ITEMSIZE(a)) \
+	memcpy((a)->list + (a)->num, (b)->list, (b)->num * ARRAY_ITEMSIZE(a)); \
 	(a)->num += (b)->num;						\
 } while (0)