diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef0ee42..44546ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -241,7 +241,7 @@ if (USE_GUI)
     add_definitions(-DTCL -DOPENGL -DUSE_TOGL_2)
     include_directories(${TCL_INCLUDE_PATH})
     include_directories(${TK_INCLUDE_PATH})
-    set(LIBTOGL togl)
+    set(LIBTOGL togls CACHE PATH "togl library")
 
     if(WIN32)
         add_definitions(-DTOGL_WGL)
diff --git a/ng/CMakeLists.txt b/ng/CMakeLists.txt
index 75de5b1..f2bf8d1 100644
--- a/ng/CMakeLists.txt
+++ b/ng/CMakeLists.txt
@@ -78,6 +78,5 @@ if(USE_GUI)
         DESTINATION ${NG_INSTALL_DIR_BIN} COMPONENT netgen)
   endif()
 
-  add_subdirectory(Togl2.1)
 endif(USE_GUI)
 
diff --git a/ng/ngpkg.cpp b/ng/ngpkg.cpp
index 220500c..07f258c 100644
--- a/ng/ngpkg.cpp
+++ b/ng/ngpkg.cpp
@@ -24,7 +24,7 @@ The interface between the GUI and the netgen library
 
 
 // to be sure to include the 'right' togl-version
-#include "Togl2.1/togl.h"
+#include <togl.h>
 #include "fonts.hpp"
 
 extern bool nodisplay;