diff --git a/Dockerfile b/Dockerfile
index bf0ea6d24..98861cbbb 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,8 +9,8 @@ RUN mkdir -p /release /dev
 
 RUN cd release && git clone --single-branch --branch master https://github.com/LNIS-Projects/OpenFPGA.git OpenFPGA
 
-RUN cd /release/OpenFPGA && mkdir build && cd build && cmake .. -DCMAKE_BUILD_TYPE=debug -DCMAKE_NO_GRAPHICS=on && make -j
+RUN cd /release/OpenFPGA && mkdir build && cd build && cmake .. -DCMAKE_BUILD_TYPE=debug -DCMAKE_NO_GRAPHICS=on && make
 
 RUN rm -rf /var/lib/apt/lists/*
 
-WORKDIR /release/OpenFPGA
\ No newline at end of file
+WORKDIR /release/OpenFPGA