diff --git a/commands/nand.c b/commands/nand.c
index fce61d7..725cb65 100644
--- a/commands/nand.c
+++ b/commands/nand.c
@@ -58,7 +58,7 @@
 			return ret;
 
 		if (ret) {
-			printf("skipping bad block at 0x%08x\n", bb->offset);
+			debug("skipping bad block at 0x%08x\n", bb->offset);
 			bb->offset += bb->info.erasesize;
 		}
 
@@ -90,7 +90,7 @@
 			return ret;
 
 		if (ret) {
-			printf("skipping bad block at 0x%08x\n", bb->offset);
+			debug("skipping bad block at 0x%08x\n", bb->offset);
 			bb->offset += bb->info.erasesize;
 		}