--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,7 +24,7 @@ if (OPENGL_FOUND AND GLUT_FOUND)
                                      KsPlotTools.cpp)
 
     target_link_libraries(kshark-plot  kshark
-                                       ${GLUT_LIBRARY}
+                                       ${GLUT_LIBRARIES}
                                        ${OPENGL_LIBRARIES})
 
     set_target_properties(kshark-plot PROPERTIES  SUFFIX ".so.${KS_VERSION_STRING}")