diff --git a/CMakeLists.txt b/CMakeLists.txt
index a124bfb2..823d9a09 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -224,6 +224,7 @@ ELSE() # Generic
         dl
         pthread
         m
+        X11
     )
 ENDIF()