diff --git a/python/build.sh b/python/build.sh
index a9ac7b0..2bae64f 100755
--- a/python/build.sh
+++ b/python/build.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-g++ -Wall -fPIC -shared `python3 -m pybind11 --includes` -I../include -I/usr/include/eigen3 pyopenGJK.cpp ../src/openGJK.c -o opengjkc`python3-config --extension-suffix`
+g++ -Wall -fPIC -fopenmp -shared `python3 -m pybind11 --includes` -I../include -I/usr/include/eigen3 pyopenGJK.cpp ../src/openGJK.c -o opengjkc