diff --git a/src/3.6/Dockerfile b/src/3.6/Dockerfile
index ce223a3..2cf489c 100644
--- a/src/3.6/Dockerfile
+++ b/src/3.6/Dockerfile
@@ -7,7 +7,7 @@ ARG SRC_PATH=/tmp
 
 # Install NEST and NESTML
 RUN wget "https://github.com/nest/nest-simulator/archive/refs/tags/v${NEST_VERSION}.tar.gz" -P ${SRC_PATH} && \
-    cd ${SRC_PATH} && tar -xzf ${NEST_VERSION}.tar.gz && ls -l && \
+    cd ${SRC_PATH} && tar -xzf v${NEST_VERSION}.tar.gz && ls -l && \
     python3 -m pip install -r ${SRC_PATH}/nest-simulator-${NEST_VERSION}/doc/requirements.txt && \
     python3 -m pip install sphinx_gallery==0.10.1