diff --git a/recipe/build_cxx.sh b/recipe/build_cxx.sh
index 4d73edb..8a2e547 100644
--- a/recipe/build_cxx.sh
+++ b/recipe/build_cxx.sh
@@ -33,7 +33,7 @@ mkdir build_cxx
 cd build_cxx
 
 if [[ "${CONDA_BUILD_CROSS_COMPILATION}" == "1" ]]; then
-  export CMAKE_ARGS="${CMAKE_ARGS} -Dgz-msgs10_PYTHON_INTERPRETER=$BUILD_PREFIX/bin/python -Dgz-msgs10_PROTOC_EXECUTABLE=$BUILD_PREFIX/bin/protoc -Dgz-msgs10_PROTO_GENERATOR_PLUGIN=$BUILD_PREFIX/bin/gz-msgs10_protoc_plugin"
+  export CMAKE_ARGS="${CMAKE_ARGS} -Dgz-msgs11_PYTHON_INTERPRETER=$BUILD_PREFIX/bin/python -Dgz-msgs11_PROTOC_EXECUTABLE=$BUILD_PREFIX/bin/protoc -Dgz-msgs11_PROTO_GENERATOR_PLUGIN=$BUILD_PREFIX/bin/gz-msgs11_protoc_plugin"
 fi
 
 # Set Python install dir to wrong directory to ensure Python files