diff -ru rendercheck-master.orig/t_blend.c rendercheck-master/t_blend.c
--- rendercheck-master.orig/t_blend.c	2012-04-16 23:53:48.300758608 -0700
+++ rendercheck-master/t_blend.c	2012-04-17 00:05:55.434729262 -0700
@@ -124,7 +124,7 @@
 							   dst_color[k]->color.g,
 							   dst_color[k]->color.b,
 							   dst_color[k]->color.a);
-						    printf("src: %s, dst: %s\n", src_color[j]->name, dst->name);
+						    printf("src: %s, dst: %s\n", src_color[j]->name, dst_color[k]->name);
 						    return FALSE;
 					    }
 				    }
diff -ru rendercheck-master.orig/t_composite.c rendercheck-master/t_composite.c
--- rendercheck-master.orig/t_composite.c	2012-04-16 23:53:48.340759228 -0700
+++ rendercheck-master/t_composite.c	2012-04-17 00:06:24.421844154 -0700
@@ -155,7 +155,7 @@
 				printf("src: %s, mask: %s, dst: %s\n",
 				       src_color[s]->name,
 				       mask_color[m]->name,
-				       dst->name);
+				       dst_color[d]->name);
 				XDestroyImage(image);
 				return FALSE;
 			    }