diff --git a/os/run/framebuffer.run b/os/run/framebuffer.run
index e4fce354f1..74987c71cf 100755
--- a/os/run/framebuffer.run
+++ b/os/run/framebuffer.run
@@ -2,7 +2,7 @@
 # Build
 #
 
-build { core init test/framebuffer drivers/framebuffer drivers/timer }
+build { core init test/framebuffer drivers/framebuffer drivers/pci drivers/timer }
 
 create_boot_directory
 
diff --git a/os/src/test/framebuffer/main.cc b/os/src/test/framebuffer/main.cc
index 4f44aed7d2..af7686d640 100644
--- a/os/src/test/framebuffer/main.cc
+++ b/os/src/test/framebuffer/main.cc
@@ -35,14 +35,11 @@ int main()
 	Framebuffer::Mode const fb_mode = fb.mode();
 
 	/* write pixeldata to framebuffer */
-	void * fb_base = env()->rm_session()->attach(fb_ds_cap);
-	unsigned j;
-	unsigned const fb_size = (unsigned)(mode.width()*mode.height())/2;
-	for(unsigned i = 0; i < fb_size; i++)
-	{
-		*(((unsigned volatile *)fb_base) + i) = j;
-		j++;
-	}
+	void           *fb_base = env()->rm_session()->attach(fb_ds_cap);
+	unsigned const  fb_size = (unsigned)(mode.width()*mode.height())/2;
+	for (unsigned i = 0; i < fb_size; i++)
+		*(((unsigned volatile *)fb_base) + i) = i;
+
 	fb.refresh(0, 0, fb_mode.width(), fb_mode.height());
 	printf("--- end ---\n");
 	while(1);