diff --git a/protocol/payload_update.c b/protocol/payload_update.c
index c68dc69..3d761f5 100644
--- a/protocol/payload_update.c
+++ b/protocol/payload_update.c
@@ -115,8 +115,8 @@ enum payload_update_err libhoth_payload_update(struct libhoth_device* dev,
     for (; offset + block_erase <= size; offset += block_erase) {
       const int ret = payload_update_erase(dev, offset, block_erase);
       if (ret != 0) {
-        fprintf(stderr, "block erase err: %d\n", ret);
-        return ret;
+        fprintf(stderr, "block erase offset 0x%zx err: %d\n", offset, ret);
+        return PAYLOAD_UPDATE_ERASE_FAIL;
       }
       erase_progress.progress.func(erase_progress.progress.param, offset, size);
     }
@@ -125,8 +125,8 @@ enum payload_update_err libhoth_payload_update(struct libhoth_device* dev,
     for (; offset + sector_erase <= size; offset += sector_erase) {
       const int ret = payload_update_erase(dev, offset, sector_erase);
       if (ret != 0) {
-        fprintf(stderr, "sector erase err: %d\n", ret);
-        return ret;
+        fprintf(stderr, "sector erase offset 0x%zx err: %d\n", offset, ret);
+        return PAYLOAD_UPDATE_ERASE_FAIL;
       }
       erase_progress.progress.func(erase_progress.progress.param, offset, size);
     }
diff --git a/protocol/payload_update.h b/protocol/payload_update.h
index d6b37c0..4d1065f 100644
--- a/protocol/payload_update.h
+++ b/protocol/payload_update.h
@@ -57,6 +57,7 @@ enum payload_update_err {
   PAYLOAD_UPDATE_FINALIZE_FAIL,
   PAYLOAD_UPDATE_READ_FAIL,
   PAYLOAD_UPDATE_IMAGE_NOT_SECTOR_ALIGNED,
+  PAYLOAD_UPDATE_ERASE_FAIL,
 };
 
 struct payload_update_packet {
diff --git a/protocol/payload_update_test.cc b/protocol/payload_update_test.cc
index 93bd479..07ca2ac 100644
--- a/protocol/payload_update_test.cc
+++ b/protocol/payload_update_test.cc
@@ -127,7 +127,7 @@ TEST_F(LibHothTest, payload_update_erase_fail) {
   std::memcpy(buffer, &kMagic, sizeof(kMagic));
 
   EXPECT_EQ(libhoth_payload_update(&hoth_dev_, buffer, sizeof(buffer), false),
-            -1);
+            PAYLOAD_UPDATE_ERASE_FAIL);
 }
 
 TEST_F(LibHothTest, payload_update_flash_fail) {