diff --git a/reactos/ntoskrnl/fsrtl/dbcsname.c b/reactos/ntoskrnl/fsrtl/dbcsname.c
index 736c82bf185..cd2e9126e5d 100644
--- a/reactos/ntoskrnl/fsrtl/dbcsname.c
+++ b/reactos/ntoskrnl/fsrtl/dbcsname.c
@@ -223,7 +223,7 @@ FsRtlIsDbcsInExpression(IN PANSI_STRING Expression,
             {
                 if (Name->Buffer[MatchingChars] == '.')
                 {
-                    NamePosition = MatchingChars + 1;
+                    NamePosition = MatchingChars;
                 }
                 MatchingChars++;
             }
diff --git a/reactos/ntoskrnl/fsrtl/name.c b/reactos/ntoskrnl/fsrtl/name.c
index 4dd965a2d96..88fc898656f 100644
--- a/reactos/ntoskrnl/fsrtl/name.c
+++ b/reactos/ntoskrnl/fsrtl/name.c
@@ -158,7 +158,7 @@ FsRtlIsNameInExpressionPrivate(IN PUNICODE_STRING Expression,
             {
                 if (Name->Buffer[MatchingChars] == L'.')
                 {
-                    NamePosition = MatchingChars + 1;
+                    NamePosition = MatchingChars;
                 }
                 MatchingChars++;
             }