diff --git a/xtldr2/debug.c b/xtldr2/debug.c
index 87b4a08..668766a 100644
--- a/xtldr2/debug.c
+++ b/xtldr2/debug.c
@@ -84,7 +84,7 @@ BlpInitializeDebugConsole()
         while(DebugPort != NULL)
         {
             /* Check what port is set for debugging */
-            if(RtlCompareWideString(DebugPort, L"COM", 3) == 0)
+            if(RtlCompareWideStringInsensitive(DebugPort, L"COM", 3) == 0)
             {
                 /* Read COM port number */
                 DebugPort += 3;
@@ -97,7 +97,7 @@ BlpInitializeDebugConsole()
                 }
 
                 /* Check if custom COM port address supplied */
-                if(PortNumber == 0 && RtlCompareWideString(DebugPort, L":0x", 3) == 0)
+                if(PortNumber == 0 && RtlCompareWideStringInsensitive(DebugPort, L":0x", 3) == 0)
                 {
                     /* COM port address provided */
                     DebugPort += 3;
@@ -140,7 +140,7 @@ BlpInitializeDebugConsole()
                 /* Enable debug port */
                 BlpConfiguration.DebugPort |= XTBL_DEBUGPORT_SERIAL;
             }
-            else if(RtlCompareWideString(DebugPort, L"SCREEN", 5) == 0)
+            else if(RtlCompareWideStringInsensitive(DebugPort, L"SCREEN", 5) == 0)
             {
                 /* Enable debug port */
                 BlpConfiguration.DebugPort |= XTBL_DEBUGPORT_SCREEN;