diff --git a/INSTALL.md b/INSTALL.md
index b8265951..9eea323a 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -54,6 +54,11 @@ make check
 sudo make install
 cd ..
 ```
+If your default prefix is /usr/local and you happen to get an error that says "error while loading shared libraries: libtoxcore.so.0: cannot open shared object file: No such file or directory", then you can try running ```sudo ldconfig```. If that doesn't fix it, run:
+```
+sudo echo "/usr/local/lib/" >> /etc/ld.so.conf.d/locallib.conf
+sudo ldconfig
+```
 
 You also need recent [FFmpeg](http://git.videolan.org/?p=ffmpeg.git) libraries:
 ```bash