diff --git a/Dockerfile b/Dockerfile
index b744130..cd61bdb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ RUN apk update && \
     apk add --no-cache git && \
     apk add --no-cache upx=3.95-r1
 
-RUN go get github.com/mjibson/esc && \
-    go get github.com/pilu/fresh
+RUN go get -u github.com/dosco/esc && \
+    go get -u github.com/pilu/fresh
 
 WORKDIR /app
 ADD . /app
diff --git a/serv/serv.go b/serv/serv.go
index 9ed61a4..5acd0b9 100644
--- a/serv/serv.go
+++ b/serv/serv.go
@@ -16,7 +16,7 @@ import (
 	"github.com/spf13/viper"
 )
 
-//go:generate esc -o static.go -private -pkg serv ../web/build
+//go:generate esc -o static.go -private --prefix ../web/build -pkg serv ../web/build
 
 const (
 	authFailBlockAlways = iota + 1