diff --git a/docops/Dockerfile b/docops/Dockerfile
index ef53312..f325ab0 100644
--- a/docops/Dockerfile
+++ b/docops/Dockerfile
@@ -32,7 +32,8 @@ RUN \
     # sed -i '15s/DTC_VERSION:=3.4.0/DTC_VERSION:=3.4.1/' dtcw && \
     ./dtcw install doctoolchain; \
     ./dtcw install java; \
-    sed -i '478s/^/def/' /.doctoolchain/docToolchain-3.4.0/core/src/main/groovy/org/docToolchain/tasks/Asciidoc2ConfluenceTask.groovy \ 
+    cd /.doctoolchain/docToolchain-3.4.0/core/src/main/groovy/org/docToolchain/tasks &&  \
+    sed -i '478s/^/def/' Asciidoc2ConfluenceTask.groovy; \ 
     # Install community.general collection, it contains the 'archive' module used in the doctoolchain playbook
     ansible-galaxy collection install community.general;