diff --git a/hw/xfree86/ramdac/TI.c b/hw/xfree86/ramdac/TI.c
index f8081caea..0ae1db57e 100644
--- a/hw/xfree86/ramdac/TI.c
+++ b/hw/xfree86/ramdac/TI.c
@@ -114,7 +114,7 @@ TIramdacCalculateMNPForClock(unsigned long RefClock,    /* In 100Hz units */
     VCO = 8.0 * IntRef * best_m / best_n;
     ActualClock = VCO / (1 << p);
 
-    DebugF("f_out=%ld f_vco=%.1f n=%d m=%d p=%d\n",
+    DebugF("f_out=%ld f_vco=%.1f n=%lu m=%lu p=%lu\n",
            ActualClock, VCO, *rN, *rM, *rP);
 
     return ActualClock;