diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 1250c45ae..61b6674f9 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -123,7 +123,7 @@ void matrix_scan_perf_task(void) {
     uint32_t timer_now = timer_read32();
     if (TIMER_DIFF_32(timer_now, matrix_timer) > 1000) {
 #    if defined(CONSOLE_ENABLE)
-        dprintf("matrix scan frequency: %d\n", matrix_scan_count);
+        dprintf("matrix scan frequency: %lu\n", matrix_scan_count);
 #    endif
         last_matrix_scan_count = matrix_scan_count;
         matrix_timer      = timer_now;