diff --git a/Kernel/FileSystem/FATFS/FileSystem.cpp b/Kernel/FileSystem/FATFS/FileSystem.cpp
index bcec7c5492..9580f72132 100644
--- a/Kernel/FileSystem/FATFS/FileSystem.cpp
+++ b/Kernel/FileSystem/FATFS/FileSystem.cpp
@@ -239,6 +239,24 @@ ErrorOr<void> FATFS::initialize_while_locked()
     root_entry.attributes = FATAttributes::Directory;
     m_root_inode = TRY(FATInode::create(*this, root_entry, { 0, 1 }));
 
+    if (m_fat_version == FATVersion::FAT32) {
+        auto fs_info_buffer = UserOrKernelBuffer::for_kernel_buffer(bit_cast<u8*>(&m_fs_info));
+        // We know that there is a DOS7 BPB, because if it wasn't present
+        // we would have returned EINVAL above.
+        TRY(read_block(ebpb.dos7_bpb()->fs_info_sector, &fs_info_buffer, sizeof(m_fs_info)));
+
+        if (m_fs_info.lead_signature != fs_info_signature_1 || m_fs_info.struct_signature != fs_info_signature_2 || m_fs_info.trailing_signature != fs_info_signature_3) {
+            dbgln("FATFS: Invalid FSInfo struct signature");
+            dbgln_if(FAT_DEBUG, "FATFS: FSInfo signature1: {:#x}, expected: {:#x}", m_fs_info.lead_signature, fs_info_signature_1);
+            dbgln_if(FAT_DEBUG, "FATFS: FSInfo signature2: {:#x}, expected: {:#x}", m_fs_info.struct_signature, fs_info_signature_2);
+            dbgln_if(FAT_DEBUG, "FATFS: FSInfo signature3: {:#x}, expected: {:#x}", m_fs_info.trailing_signature, fs_info_signature_3);
+            return Error::from_errno(EINVAL);
+        }
+
+        dbgln_if(FAT_DEBUG, "FATFS: fs_info.last_known_free_cluster_count: {}", m_fs_info.last_known_free_cluster_count);
+        dbgln_if(FAT_DEBUG, "FATFS: fs_info.next_free_cluster_hint: {}", m_fs_info.next_free_cluster_hint);
+    }
+
     return {};
 }
 
diff --git a/Kernel/FileSystem/FATFS/FileSystem.h b/Kernel/FileSystem/FATFS/FileSystem.h
index c4ed216104..fe5a0c7abb 100644
--- a/Kernel/FileSystem/FATFS/FileSystem.h
+++ b/Kernel/FileSystem/FATFS/FileSystem.h
@@ -78,6 +78,10 @@ private:
     static constexpr u8 signature_1 = 0x28;
     static constexpr u8 signature_2 = 0x29;
 
+    static constexpr u32 fs_info_signature_1 = 0x41615252;
+    static constexpr u32 fs_info_signature_2 = 0x61417272;
+    static constexpr u32 fs_info_signature_3 = 0xAA550000;
+
     static constexpr u32 first_data_cluster = 2;
 
     FatBlockSpan first_block_of_cluster(u32 cluster) const;
@@ -91,6 +95,7 @@ private:
     ErrorOr<void> fat_write(u32 cluster, u32 value);
 
     OwnPtr<KBuffer> m_boot_record;
+    FAT32FSInfo m_fs_info;
     OwnPtr<DOSBIOSParameterBlock> m_parameter_block;
     RefPtr<FATInode> m_root_inode;
     u32 m_first_data_sector { 0 };