diff --git a/.travis/install_macos.sh b/.travis/install_macos.sh
index 0d603fee9a..233775402c 100755
--- a/.travis/install_macos.sh
+++ b/.travis/install_macos.sh
@@ -5,5 +5,5 @@ wxmac opencv assimp libvorbis openssl@1.0 || true
 brew install ode --with-shared
 
 # We can't trust brew to make the right symlinks, so execute commands as modules
-${PYTHON_INTERP:-python3} -m pip install virtualenv
-${PYTHON_INTERP:-python3} -m virtualenv --python=${PYTHON_INTERP:-python3} venv
+/usr/local/bin/${PYTHON_INTERP:-python3} -m pip install virtualenv
+/usr/local/bin/${PYTHON_INTERP:-python3} -m virtualenv --python=${PYTHON_INTERP:-python3} venv