1 files changed, 1 insertions, 1 deletions

diff --git a/src/test_board.c b/src/test_board.c
index e9a75bd..2a9ff32 100644
--- a/src/test_board.c
+++ b/src/test_board.c
@@ -2,7 +2,7 @@
 #include "board.h"
 
 int main () {
-        printf("sizeof(unsigned int): %d\n", sizeof(unsigned int));
+        printf("sizeof(unsigned int): %zd\n", sizeof(unsigned int));
         BOARD jim = newboard(10, 10);
         for (unsigned int y = 0; y < 10; ++y) {
                 for (unsigned int x = 0; x < 10; ++x)