diff --git a/bsd-core/tdfx/Makefile b/bsd-core/tdfx/Makefile
index e0ff8ffa..6876cf0f 100644
--- a/bsd-core/tdfx/Makefile
+++ b/bsd-core/tdfx/Makefile
@@ -12,4 +12,4 @@ KERN    = /usr/src/sys
 machine:
 	ln -sf /sys/i386/include machine
 
-.include "/usr/src/sys/conf/kmod.mk"
+.include <bsd.kmod.mk>
diff --git a/bsd/drm/Makefile b/bsd/drm/Makefile
index 6a70a5b0..dcf053dd 100644
--- a/bsd/drm/Makefile
+++ b/bsd/drm/Makefile
@@ -14,4 +14,4 @@ KERN    = /usr/src/sys
 machine:
 	ln -sf /sys/i386/include machine
 
-.include "/usr/src/sys/conf/kmod.mk"
+.include <bsd.kmod.mk>
diff --git a/bsd/gamma/Makefile b/bsd/gamma/Makefile
index dd611038..d0f05324 100644
--- a/bsd/gamma/Makefile
+++ b/bsd/gamma/Makefile
@@ -12,4 +12,4 @@ KERN    = /usr/src/sys
 machine:
 	ln -sf /sys/i386/include machine
 
-.include "/usr/src/sys/conf/kmod.mk"
+.include <bsd.kmod.mk>
diff --git a/bsd/tdfx/Makefile b/bsd/tdfx/Makefile
index e0ff8ffa..6876cf0f 100644
--- a/bsd/tdfx/Makefile
+++ b/bsd/tdfx/Makefile
@@ -12,4 +12,4 @@ KERN    = /usr/src/sys
 machine:
 	ln -sf /sys/i386/include machine
 
-.include "/usr/src/sys/conf/kmod.mk"
+.include <bsd.kmod.mk>