diff --git a/ChangeLog b/ChangeLog
index 5fc737247..1b4c9254e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-05-03  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/tests/video_checksum.c: Don't set GENERATE_MODE.
+
 2013-05-03  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	New series of tests for gfxterm and gfxmenu.
diff --git a/grub-core/tests/video_checksum.c b/grub-core/tests/video_checksum.c
index c6780596a..41a262a69 100644
--- a/grub-core/tests/video_checksum.c
+++ b/grub-core/tests/video_checksum.c
@@ -464,7 +464,7 @@ get_modename (void)
   return buf;
 }
 
-#define GENERATE_MODE 1
+//#define GENERATE_MODE 1
 
 #if defined (GENERATE_MODE) && defined (GRUB_MACHINE_EMU)
 int genfd = -1;