diff --git a/ports/nyancat/nyancat.patch b/ports/nyancat/nyancat.patch
index f2386e5e..a5f7c947 100644
--- a/ports/nyancat/nyancat.patch
+++ b/ports/nyancat/nyancat.patch
@@ -35,9 +35,9 @@ diff --no-dereference -Naur -- nyancat.normalized/Makefile nyancat.srctix/Makefi
 -	cd $(distdir) && $(MAKE) clean
 -	rm -rf $(distdir)
 -	@echo "*** Package $(distdir).tar.gz is ready for distribution."
-+include ../../build-aux/compiler.mak
-+include ../../build-aux/version.mak
-+include ../../build-aux/dirs.mak
++include ../../../build-aux/compiler.mak
++include ../../../build-aux/version.mak
++include ../../../build-aux/dirs.mak
 +
 +OPTLEVEL?=-g -O2
 +CFLAGS?=$(OPTLEVEL)
diff --git a/portsify.sh b/portsify.sh
index 123dcb7d..f262c81a 100755
--- a/portsify.sh
+++ b/portsify.sh
@@ -52,6 +52,9 @@ for port in $ports; do
     rm -rf "$port.srctix"
     files="sortix-libSDL-1.2.15.tar.xz"
   fi
+  if [ "$port" = "nyancat" ]; then
+    sed -Ei 's,^(\+include )(\.\./\.\./build-aux/),\1../\2,' "patch.patch"
+  fi
   if $no_upstream; then
     mkdir "$port.normalized"
     mkdir "$port.srctix"