diff --git a/src/arch/i386/config/crt0.base b/src/arch/i386/config/crt0.base
index 24fb673e4a..7a5cf6fe3d 100644
--- a/src/arch/i386/config/crt0.base
+++ b/src/arch/i386/config/crt0.base
@@ -28,8 +28,10 @@
 
 CRT0_PARAMETERS
 
+#ifdef INTEL_PPRO_MTRR
 /* Turn on mtrr for faster boot */
 #include <cpu/p6/earlymtrr.inc>
+#endif /* INTEL_PPRO_MTRR */
 
 /*
  *	Copy data into RAM and clear the BSS. Since these segments