diff --git a/Dockerfile b/Dockerfile
index 7bd9b22..2af7669 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,9 @@ RUN apk add --no-cache \
     make \
     bash
 
+# to get around errors from differing stack sizes in musl
+# https://wiki.musl-libc.org/functional-differences-from-glibc.html#Thread_stack_size
+RUN npm config set unsafe-perm true
 RUN npm install -g webpack webpack-cli
 
 RUN git clone https://code.vanwa.ch/sebastian/wikijs.git -b nextcloud-auth /build