diff --git a/src/rviz/mesh_loader.cpp b/src/rviz/mesh_loader.cpp
index 80f1120a7..950ffaf2a 100644
--- a/src/rviz/mesh_loader.cpp
+++ b/src/rviz/mesh_loader.cpp
@@ -408,7 +408,7 @@ void loadTexture(const std::string& resource_path)
     {
       Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream(res.data.get(), res.size));
       Ogre::Image image;
-      std::string extension = fs::extension(fs::path(resource_path));
+      std::string extension = fs::path(resource_path).extension().string();
 
       if (extension[0] == '.')
       {