diff --git a/sdk/include/psdk/ntdddisk.h b/sdk/include/psdk/ntdddisk.h
index 13b8e0e9995..7c7cc1dd600 100644
--- a/sdk/include/psdk/ntdddisk.h
+++ b/sdk/include/psdk/ntdddisk.h
@@ -239,8 +239,13 @@ extern "C" {
 #endif
 
 #define IsFTPartition( PartitionType ) \
-  (((PartitionType) & PARTITION_NTFT) && \
-  IsRecognizedPartition(PartitionType))
+  (((PartitionType) & PARTITION_NTFT) && (((PartitionType) & ~0xC0) == PARTITION_FAT_12)) || \
+  (((PartitionType) & PARTITION_NTFT) && (((PartitionType) & ~0xC0) == PARTITION_HUGE)) || \
+  (((PartitionType) & PARTITION_NTFT) && (((PartitionType) & ~0xC0) == PARTITION_IFS)) || \
+  (((PartitionType) & PARTITION_NTFT) && (((PartitionType) & ~0xC0) == PARTITION_FAT32)) || \
+  (((PartitionType) & PARTITION_NTFT) && (((PartitionType) & ~0xC0) == PARTITION_FAT32_XINT13)) || \
+  (((PartitionType) & PARTITION_NTFT) && (((PartitionType) & ~0xC0) == PARTITION_XINT13))
+
 
 #define IsContainerPartition(PartitionType) \
   (((PartitionType) == PARTITION_EXTENDED) || \