diff --git a/reactos/ntoskrnl/io/iomgr/util.c b/reactos/ntoskrnl/io/iomgr/util.c
index 38412e8652b..ca1becc8eee 100644
--- a/reactos/ntoskrnl/io/iomgr/util.c
+++ b/reactos/ntoskrnl/io/iomgr/util.c
@@ -139,7 +139,8 @@ IoCheckEaBufferValidity(IN PFILE_FULL_EA_INFORMATION EaBuffer,
                         OUT PULONG ErrorOffset)
 {
     PFILE_FULL_EA_INFORMATION EaBufferEnd;
-    ULONG NextEaBufferOffset, IntEaLength;
+    ULONG NextEaBufferOffset;
+    LONG IntEaLength;
 
     /* Lenght of the rest. Inital equal to EaLength */
     IntEaLength = EaLength;