diff --git a/core/php7.3Action/Dockerfile b/core/php7.3Action/Dockerfile
index 8477326..6131ba7 100644
--- a/core/php7.3Action/Dockerfile
+++ b/core/php7.3Action/Dockerfile
@@ -16,10 +16,10 @@
 #
 
 FROM golang:1.11 as builder
-ENV PROXY_SOURCE=https://github.com/apache/incubator-openwhisk-runtime-go/archive/1.11@1.13.0-incubating.tar.gz
+ENV PROXY_SOURCE=https://github.com/apache/incubator-openwhisk-runtime-go/archive/golang1.11@1.13.0-incubating.tar.gz
 RUN curl -L "$PROXY_SOURCE" | tar xzf - \
   && mkdir -p src/github.com/apache \
-  && mv incubator-openwhisk-runtime-go-1.11-1.13.0-incubating \
+  && mv incubator-openwhisk-runtime-go-golang1.11-1.13.0-incubating \
      src/github.com/apache/incubator-openwhisk-runtime-go \
   && cd src/github.com/apache/incubator-openwhisk-runtime-go/main \
   && CGO_ENABLED=0 go build -o /bin/proxy