diff --git a/epicardium/main.c b/epicardium/main.c
index b32cf12a4ff0af6189a12ab600b240bbd110f7bd..86663efdd07672d7c90374511ddf294e9d55be30 100644
--- a/epicardium/main.c
+++ b/epicardium/main.c
@@ -48,7 +48,8 @@ int main(void)
 	card10_init();
 	card10_diag();
 
-	gfx_copy_raw(&display_screen, (const void *)(Heart), sizeof(Heart));
+	gfx_copy_region_raw(&display_screen, 0, 0, 160, 80,
+		     		 2, (const void *)(Heart));
 	gfx_update(&display_screen);
 
 	/* TODO: Move this to its own function */
diff --git a/hw-tests/dual-core/main.c b/hw-tests/dual-core/main.c
index 533ade07569fda60648cd80b64d03ad0e8033f82..d90ec340bc0038ae833f681768cd6b681e2cd913 100644
--- a/hw-tests/dual-core/main.c
+++ b/hw-tests/dual-core/main.c
@@ -22,7 +22,8 @@ int main(void)
 	card10_init();
 	card10_diag();
 
-	gfx_copy_raw(&display_screen, (const void *)(Heart), sizeof(Heart));
+	gfx_copy_region_raw(&display_screen, 0, 0, 160, 80, 2,
+				       (const void *)(Heart));
 	gfx_update(&display_screen);
 
 	for (int i = 0; i < 11; i++) {
diff --git a/hw-tests/hello-world/main.c b/hw-tests/hello-world/main.c
index 76cb380dd129a35f0570ee81124923b81a3c129e..6a30f9e872e5f72b93de0006303e84ae686267cd 100644
--- a/hw-tests/hello-world/main.c
+++ b/hw-tests/hello-world/main.c
@@ -29,7 +29,8 @@ int main(void)
     card10_init();
     card10_diag();
 
-    gfx_copy_raw(&display_screen, (const void *)(Heart), sizeof(Heart));
+    gfx_copy_region_raw(&display_screen, 0, 0, 160, 80, 2,
+		    		   (const void *)(Heart));
     gfx_update(&display_screen);
 
     for(int i=0; i<11; i++) {