diff --git a/Working-on-GNU-Linux.md b/Working-on-GNU-Linux.md
index b929b7e..efe1ca0 100644
--- a/Working-on-GNU-Linux.md
+++ b/Working-on-GNU-Linux.md
@@ -91,6 +91,7 @@ mkdir build && cd build
 cmake -DBUILD_SHARED_LIBS=ON ..
 make
 sudo make install
+sudo ldconfig
 ```
 In case any dependencies are missing, cmake will tell you.