diff --git a/src/flash/nor/core.c b/src/flash/nor/core.c
index 30d387ae0..f4ff5dfb3 100644
--- a/src/flash/nor/core.c
+++ b/src/flash/nor/core.c
@@ -429,7 +429,11 @@ int default_flash_blank_check(struct flash_bank *bank)
 			bank->sectors[i].is_erased = block_array[i].result;
 		retval = ERROR_OK;
 	} else {
-		LOG_USER("Running slow fallback erase check - add working memory");
+		if (retval == ERROR_NOT_IMPLEMENTED)
+			LOG_USER("Running slow fallback erase check");
+		else
+			LOG_USER("Running slow fallback erase check - add working memory");
+
 		retval = default_flash_mem_blank_check(bank);
 	}
 	free(block_array);
diff --git a/src/target/target.c b/src/target/target.c
index 596364cdc..76327b1c7 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -2590,7 +2590,7 @@ int target_blank_check_memory(struct target *target,
 	}
 
 	if (!target->type->blank_check_memory)
-		return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+		return ERROR_NOT_IMPLEMENTED;
 
 	return target->type->blank_check_memory(target, blocks, num_blocks, erased_value);
 }