diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c
index d6fcf1a5f..a8d36c6ac 100644
--- a/hw/kdrive/fbdev/fbdev.c
+++ b/hw/kdrive/fbdev/fbdev.c
@@ -30,7 +30,7 @@
 
 extern int KdTsPhyScreen;
 
-char *fbdevDevicePath = NULL;
+const char *fbdevDevicePath = NULL;
 
 static Bool
 fbdevInitialize(KdCardInfo * card, FbdevPriv * priv)
diff --git a/hw/kdrive/fbdev/fbdev.h b/hw/kdrive/fbdev/fbdev.h
index 0706f4e11..f3f7aeceb 100644
--- a/hw/kdrive/fbdev/fbdev.h
+++ b/hw/kdrive/fbdev/fbdev.h
@@ -49,7 +49,7 @@ typedef struct _fbdevScrPriv {
 } FbdevScrPriv;
 
 extern KdCardFuncs fbdevFuncs;
-extern char *fbdevDevicePath;
+extern const char *fbdevDevicePath;
 
 Bool
  fbdevCardInit(KdCardInfo * card);