diff --git a/Dockerfile b/Dockerfile
index c001c8d..ff8900f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -46,6 +46,7 @@ RUN \
     mv run.py qt/run_template.py && \
 
     # Compile dupeGuru.
+    mkdir -p build/help && \
     make PREFIX=/usr/ install && \
     cd .. && \