diff --git a/libobs/obs-windows.c b/libobs/obs-windows.c
index 5f22f508e..4b0c39f03 100644
--- a/libobs/obs-windows.c
+++ b/libobs/obs-windows.c
@@ -112,7 +112,7 @@ static void log_processor_info(void)
 	status = RegQueryValueExW(key, L"~MHz", NULL, NULL, (LPBYTE)&speed,
 			&size);
 	if (status == ERROR_SUCCESS)
-		blog(LOG_INFO, "CPU Speed: %dMHz", speed);
+		blog(LOG_INFO, "CPU Speed: %ldMHz", speed);
 
 	RegCloseKey(key);
 }