diff --git a/externals/prebuild_scripts/build_g2o_for_mac64.sh b/externals/prebuild_scripts/build_g2o_for_mac64.sh
index 3fea1be4..45cc27fa 100755
--- a/externals/prebuild_scripts/build_g2o_for_mac64.sh
+++ b/externals/prebuild_scripts/build_g2o_for_mac64.sh
@@ -38,6 +38,7 @@ cmake \
     -DCMAKE_BUILD_TYPE=Debug \
     -DCMAKE_DEBUG_POSTFIX="" \
     -DEIGEN3_INCLUDE_DIR=../eigen \
+    -DG2O_USE_OPENGL=off \
     ../..
  
 # finally build it