diff --git a/fs_mgr/liblp/builder.cpp b/fs_mgr/liblp/builder.cpp
index 110d56e96..c39fbe790 100644
--- a/fs_mgr/liblp/builder.cpp
+++ b/fs_mgr/liblp/builder.cpp
@@ -838,9 +838,10 @@ bool MetadataBuilder::UpdateBlockDeviceInfo(size_t index, const BlockDeviceInfo&
                << block_device.size << ")";
         return false;
     }
-    if (device_info.logical_block_size != geometry_.logical_block_size) {
-        LERROR << "Device logical block size does not match (got " << device_info.logical_block_size
-               << ", expected " << geometry_.logical_block_size << ")";
+    if (geometry_.logical_block_size % device_info.logical_block_size) {
+        LERROR << "Device logical block size is misaligned (block size="
+               << device_info.logical_block_size << ", alignment=" << geometry_.logical_block_size
+               << ")";
         return false;
     }
 
diff --git a/fs_mgr/liblp/builder_test.cpp b/fs_mgr/liblp/builder_test.cpp
index 7d615a3a8..8f0816996 100644
--- a/fs_mgr/liblp/builder_test.cpp
+++ b/fs_mgr/liblp/builder_test.cpp
@@ -495,6 +495,11 @@ TEST_F(BuilderTest, UpdateBlockDeviceInfo) {
     EXPECT_EQ(new_info.size, 1024 * 1024);
 
     new_info.logical_block_size = 512;
+    ASSERT_TRUE(builder->UpdateBlockDeviceInfo("super", new_info));
+    ASSERT_TRUE(builder->GetBlockDeviceInfo("super", &new_info));
+    EXPECT_EQ(new_info.logical_block_size, 4096);
+
+    new_info.logical_block_size = 7;
     ASSERT_FALSE(builder->UpdateBlockDeviceInfo("super", new_info));
     ASSERT_TRUE(builder->GetBlockDeviceInfo("super", &new_info));
     EXPECT_EQ(new_info.logical_block_size, 4096);