diff --git a/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c b/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c
index 6fdac89a3ad..b8cc55b940f 100644
--- a/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c
+++ b/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c
@@ -1794,7 +1794,7 @@ VOID WINAPI DosInt21h(LPWORD Stack)
 
             /* Parse the file name */
             i = 0;
-            while ((*FileName >= 0x20) && (i < 8))
+            while ((*FileName > 0x20) && (i < 8))
             {
                 if (*FileName == '.') break;
                 else if (*FileName == '*')
@@ -1813,14 +1813,14 @@ VOID WINAPI DosInt21h(LPWORD Stack)
             }
 
             /* Skip to the extension part */
-            while (*FileName >= 0x20 && *FileName != '.') FileName++;
+            while (*FileName > 0x20 && *FileName != '.') FileName++;
             if (*FileName == '.') FileName++;
 
             /* Now parse the extension */
             i = 0;
             FillChar = ' ';
 
-            while ((*FileName >= 0x20) && (i < 3))
+            while ((*FileName > 0x20) && (i < 3))
             {
                 if (*FileName == '*')
                 {