diff --git a/reactos/base/setup/usetup/filesup.c b/reactos/base/setup/usetup/filesup.c
index fc837f673b3..7131fce64fa 100644
--- a/reactos/base/setup/usetup/filesup.c
+++ b/reactos/base/setup/usetup/filesup.c
@@ -97,7 +97,7 @@ SetupCopyFile(PWCHAR SourceFileName,
   OBJECT_ATTRIBUTES ObjectAttributes;
   HANDLE FileHandleSource;
   HANDLE FileHandleDest;
-  PIO_STATUS_BLOCK IoStatusBlock;
+  static IO_STATUS_BLOCK IoStatusBlock;
   FILE_STANDARD_INFORMATION FileStandard;
   FILE_BASIC_INFORMATION FileBasic;
   PUCHAR Buffer;
@@ -111,9 +111,6 @@ SetupCopyFile(PWCHAR SourceFileName,
 
   Buffer = NULL;
 
-  IoStatusBlock = RtlAllocateHeap(ProcessHeap, 0, sizeof(IO_STATUS_BLOCK));
-  if (!IoStatusBlock) return STATUS_INSUFFICIENT_RESOURCES;
-
 #ifdef __REACTOS__
   RtlInitUnicodeString(&FileName,
 		       SourceFileName);
@@ -127,25 +124,25 @@ SetupCopyFile(PWCHAR SourceFileName,
   Status = NtOpenFile(&FileHandleSource,
 		      GENERIC_READ,
 		      &ObjectAttributes,
-		      IoStatusBlock,
+		      &IoStatusBlock,
 		      FILE_SHARE_READ,
 		      FILE_SEQUENTIAL_ONLY);
   if(!NT_SUCCESS(Status))
     {
       DPRINT1("NtOpenFile failed: %x\n", Status);
-      goto freemem;
+      goto done;
     }
 #else
   FileHandleSource = CreateFileW(SourceFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
   if (FileHandleSource == INVALID_HANDLE_VALUE)
   {
     Status = STATUS_UNSUCCESSFUL;
-    goto freemem;
+    goto done;
   }
 #endif
 
   Status = NtQueryInformationFile(FileHandleSource,
-				  IoStatusBlock,
+				  &IoStatusBlock,
 				  &FileStandard,
 				  sizeof(FILE_STANDARD_INFORMATION),
 				  FileStandardInformation);
@@ -155,7 +152,7 @@ SetupCopyFile(PWCHAR SourceFileName,
       goto closesrc;
     }
   Status = NtQueryInformationFile(FileHandleSource,
-				  IoStatusBlock, &FileBasic,
+				  &IoStatusBlock,&FileBasic,
 				  sizeof(FILE_BASIC_INFORMATION),
 				  FileBasicInformation);
   if(!NT_SUCCESS(Status))
@@ -205,7 +202,7 @@ SetupCopyFile(PWCHAR SourceFileName,
   Status = NtCreateFile(&FileHandleDest,
 			GENERIC_WRITE,
 			&ObjectAttributes,
-			IoStatusBlock,
+			&IoStatusBlock,
 			NULL,
 			FILE_ATTRIBUTE_NORMAL,
 			0,
@@ -220,25 +217,25 @@ SetupCopyFile(PWCHAR SourceFileName,
     }
 
   RegionSize = (ULONG)PAGE_ROUND_UP(FileStandard.EndOfFile.u.LowPart);
-  IoStatusBlock->Status = 0;
+  IoStatusBlock.Status = 0;
   ByteOffset.QuadPart = 0;
   Status = NtWriteFile(FileHandleDest,
 		       NULL,
 		       NULL,
 		       NULL,
-		       IoStatusBlock,
+		       &IoStatusBlock,
 		       SourceFileMap,
 		       RegionSize,
 		       &ByteOffset,
 		       NULL);
   if(!NT_SUCCESS(Status))
     {
-      DPRINT1("NtWriteFile failed: %x:%x, iosb: %p src: %p, size: %x\n", Status, IoStatusBlock->Status, IoStatusBlock, SourceFileMap, RegionSize);
+      DPRINT1("NtWriteFile failed: %x:%x, iosb: %p src: %p, size: %x\n", Status, IoStatusBlock.Status, &IoStatusBlock, SourceFileMap, RegionSize);
       goto closedest;
     }
   /* Copy file date/time from source file */
   Status = NtSetInformationFile(FileHandleDest,
-				IoStatusBlock,
+				&IoStatusBlock,
 				&FileBasic,
 				sizeof(FILE_BASIC_INFORMATION),
 				FileBasicInformation);
@@ -250,7 +247,7 @@ SetupCopyFile(PWCHAR SourceFileName,
 
   /* shorten the file back to it's real size after completing the write */
   NtSetInformationFile(FileHandleDest,
-		       IoStatusBlock,
+		       &IoStatusBlock,
 		       &FileStandard.EndOfFile,
 		       sizeof(FILE_END_OF_FILE_INFORMATION),
 		       FileEndOfFileInformation);
@@ -262,8 +259,7 @@ SetupCopyFile(PWCHAR SourceFileName,
   NtClose(SourceFileSection);
  closesrc:
   NtClose(FileHandleSource);
- freemem:
-  RtlFreeHeap(ProcessHeap, 0, IoStatusBlock);
+ done:
   return(Status);
 }