diff --git a/reactos/ntoskrnl/fsrtl/largemcb.c b/reactos/ntoskrnl/fsrtl/largemcb.c
index ddb8d6dd8ad..3d47cf8c5e9 100644
--- a/reactos/ntoskrnl/fsrtl/largemcb.c
+++ b/reactos/ntoskrnl/fsrtl/largemcb.c
@@ -213,7 +213,7 @@ FsRtlAddBaseMcbEntry(IN PBASE_MCB OpaqueMcb,
 
     /* finally insert the resulting run */
     RtlInsertElementGenericTable(&Mcb->Mapping->Table, &Node, sizeof(Node), &NewElement);
-    ++Mcb->PairCount
+    ++Mcb->PairCount;
     ASSERT(NewElement);
 
     // NB: Two consecutive runs can only be merged, if actual LBNs also match!