diff --git a/ionic/install_windows_src.md b/ionic/install_windows_src.md
index a579d434e..4148d1d09 100644
--- a/ionic/install_windows_src.md
+++ b/ionic/install_windows_src.md
@@ -72,7 +72,7 @@ without any failures when using their functionalities.
    conda install cmake git vcstool curl pkg-config ^
    colcon-common-extensions dartsim eigen freeimage gdal gts ^
    glib dlfcn-win32 ffmpeg ruby tinyxml2 tinyxml ^
-   libprotobuf urdfdom zeromq cppzmq ogre=1.10 ogre-next jsoncpp ^
+   protobuf urdfdom zeromq cppzmq ogre=1.10 ogre-next jsoncpp ^
    libzip qt pybind11 boost --channel conda-forge
    ```
    This can take tens of minutes (or less when using libmamba solver).