diff --git a/reactos/base/setup/usetup/interface/usetup.c b/reactos/base/setup/usetup/interface/usetup.c
index d8c73af3ac8..8ba4d858be9 100644
--- a/reactos/base/setup/usetup/interface/usetup.c
+++ b/reactos/base/setup/usetup/interface/usetup.c
@@ -1524,6 +1524,8 @@ SelectPartitionPage(PINPUT_RECORD Ir)
                                    MaxSize,
                                    TRUE);
 
+                DestinationDriveLetter = (WCHAR)PartitionList->CurrentPartition->DriveLetter[0];
+
                 return SELECT_FILE_SYSTEM_PAGE;
             }
         }
@@ -1535,6 +1537,8 @@ SelectPartitionPage(PINPUT_RECORD Ir)
                 return SELECT_PARTITION_PAGE; /* let the user select another partition */
             }
 
+            DestinationDriveLetter = (WCHAR)PartitionList->CurrentPartition->DriveLetter[0];
+
             return SELECT_FILE_SYSTEM_PAGE;
         }
     }