diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index fbd990b..e39ffe7 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -2314,6 +2314,14 @@
     return context;
 }
 
+int fs_mgr_f2fs_ideal_block_size() {
+#if defined(__i386__) || defined(__x86_64__)
+    return 4096;
+#else
+    return getpagesize();
+#endif
+}
+
 namespace android {
 namespace fs_mgr {
 
diff --git a/fs_mgr/fs_mgr_overlayfs_control.cpp b/fs_mgr/fs_mgr_overlayfs_control.cpp
index 08ad80c..489b32e 100644
--- a/fs_mgr/fs_mgr_overlayfs_control.cpp
+++ b/fs_mgr/fs_mgr_overlayfs_control.cpp
@@ -387,10 +387,8 @@
     auto command = ""s;
     if (!access(kMkF2fs, X_OK) && fs_mgr_filesystem_available("f2fs")) {
         fs_type = "f2fs";
-        command = kMkF2fs + " -w "s;
-        command += std::to_string(getpagesize());
         command = kMkF2fs + " -b "s;
-        command += std::to_string(getpagesize());
+        command += std::to_string(fs_mgr_f2fs_ideal_block_size());
         command += " -f -d1 -l" + android::base::Basename(kScratchMountPoint);
     } else if (!access(kMkExt4, X_OK) && fs_mgr_filesystem_available("ext4")) {
         fs_type = "ext4";
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 9cfa93f..7969087 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -137,3 +137,6 @@
 // File name used to track if encryption was interrupted, leading to a known bad fs state
 std::string fs_mgr_metadata_encryption_in_progress_file_name(
         const android::fs_mgr::FstabEntry& entry);
+
+// Returns the ideal block size for make_f2fs. Returns -1 on failure.
+int fs_mgr_f2fs_ideal_block_size();