diff --git a/Dockerfile b/Dockerfile
index 7f83a64..11da3d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -54,6 +54,7 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
     service nginx stop && \
     rm -rf /var/lib/apt/lists/*
 
+COPY mime-types.conf /etc/nginx/conf.d/mime-types.conf
 COPY config /app/ds/setup/config/
 COPY run-document-server.sh /app/ds/run-document-server.sh
 
diff --git a/mime-types.conf b/mime-types.conf
new file mode 100644
index 0000000..686608e
--- /dev/null
+++ b/mime-types.conf
@@ -0,0 +1,3 @@
+types {
+    application/wasm wasm;
+}