diff --git a/init.py b/init.py
index 8df75a2..117821b 100755
--- a/init.py
+++ b/init.py
@@ -243,7 +243,7 @@ if __name__ == '__main__':
     prb = os.path.join(profile_dir, conan_build_profile)
 
     cmds = [
-        "[[ -v VIRTUAL_ENV ]]",
+        f"{{ [[ -v VIRTUAL_ENV ]] || source {source_dir}/venv/bin/activate; }}",
         f"conan install {source_dir} -pr:h {prh} -pr:b {prb} --build=missing",
         f"conan install {source_dir} -pr:h {prh} -pr:b {prb} --build=missing -g deploy -if deps/",
         f"cmake {source_dir} {' '.join(accumulated)}",