1 files changed, 2 insertions, 2 deletions
diff --git a/vmemalloc.c b/vmemalloc.c
index e71500f..2cac8dd 100644
--- a/vmemalloc.c
+++ b/vmemalloc.c
@@ -8,8 +8,8 @@ struct memalloc_state {
 	size_t alignment;
 	size_t elem_size;
 	size_t size_prod;
-	char zero_init;
-	char if_zero;
+	signed char zero_init;
+	signed char if_zero;
 	char round_up_size;
 	char have_size;
 	char cache_align;