diff --git a/alpine/packages/9pudfuse/Dockerfile b/alpine/packages/9pudfuse/Dockerfile
index 9629de4f2..82b0f4c44 100644
--- a/alpine/packages/9pudfuse/Dockerfile
+++ b/alpine/packages/9pudfuse/Dockerfile
@@ -1,4 +1,4 @@
-FROM justincormack/alpine-pkgsrc-ocaml:latest
+FROM ocaml/opam:alpine-3.3_ocaml-4.02.3
 
 ENV \
   OPAMYES=true \
@@ -8,10 +8,6 @@ ENV \
   OCAML_TOPLEVEL_PATH="/root/.opam/4.02.3/lib/toplevel" \
   PATH=/root/.opam/4.02.3/bin:$PATH
 
-RUN mkdir -p /ocaml/src/9pudfuse
-WORKDIR /ocaml/src/9pudfuse
-
-COPY . /ocaml/src/9pudfuse
-RUN opam install result stringext fd-send-recv
-RUN ocamlbuild -tag debug -use-ocamlfind -package stringext,fd-send-recv,result fuse_socket_9p.native
-
+COPY . .
+RUN opam depext -i result stringext fd-send-recv
+RUN opam config exec -- ocamlbuild -tag debug -use-ocamlfind -package stringext,fd-send-recv,result fuse_socket_9p.native
diff --git a/alpine/packages/9pudfuse/Makefile b/alpine/packages/9pudfuse/Makefile
index b75d5be35..5f25891a1 100644
--- a/alpine/packages/9pudfuse/Makefile
+++ b/alpine/packages/9pudfuse/Makefile
@@ -3,7 +3,7 @@ all: 9pudfuse
 9pudfuse: Dockerfile fuse_socket_9p.ml
 	docker build -t 9pudfuse:test .
 	docker run 9pudfuse:test \
-		cat /ocaml/src/9pudfuse/fuse_socket_9p.native > 9pudfuse
+		cat fuse_socket_9p.native > 9pudfuse
 	chmod 755 9pudfuse
 
 clean: