diff --git a/main.sh b/main.sh
index 4731281..4d3526f 100755
--- a/main.sh
+++ b/main.sh
@@ -10,7 +10,10 @@ VERSION="0.8.9"
 
 # Clone Upstream
 git clone --recurse-submodules https://github.com/abenz1267/walker.git -b v"$VERSION"
-cp -rvf ./Makefile-v3 ./walker/
+if [[ "$PIKA_BUILD_ARCH" == "amd64-v3" ]]
+then
+	cp -rvf ./Makefile-v3 ./walker/Makefile
+fi
 cp -rvf ./debian ./walker/
 cd ./walker