diff --git a/dockerfiles/Ubuntu15.docker b/dockerfiles/Ubuntu15.docker
index 6cb03d4..4f686b6 100644
--- a/dockerfiles/Ubuntu15.docker
+++ b/dockerfiles/Ubuntu15.docker
@@ -51,7 +51,7 @@
     python-talloc-dev \
     libtalloc2 \
     libtalloc-dev \
-    unzip 
+    unzip
 
 # Build libosmosdr
 RUN git clone $OSMOSDR_GIT && \
@@ -60,9 +60,13 @@
     ./configure && \
     make && \
     make install && \
-    ldconfig -i 
+    ldconfig -i
 
 COPY ./ /src/
+
+RUN echo "[grc]\nlocal_blocks_path=/usr/local/share/gnuradio/grc/blocks" > \
+    /root/.gnuradio/config.conf
+
 RUN mkdir /src/build && \
     cd /src/build && \
     cmake .. && \
@@ -70,4 +74,3 @@
     make test && \
     make install && \
     ldconfig
-