diff --git a/src/screenshot.c b/src/screenshot.c
index f383c95d9b..727d2ffc4d 100644
--- a/src/screenshot.c
+++ b/src/screenshot.c
@@ -33,7 +33,7 @@ enum {
 	SCREENSHOT_FORMAT_PNG
 };
 
-int gScreenshotFormat = SCREENSHOT_FORMAT_BMP;
+int gScreenshotFormat = SCREENSHOT_FORMAT_PNG;
 
 static int screenshot_dump_bmp();
 static int screenshot_dump_png();