diff --git a/CMakeLists.txt b/CMakeLists.txt
index 10ef555..e8cff7c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -128,7 +128,7 @@ if (CFLTK_USE_OPENGL)
     string(APPEND pc_libs_private " -lfltk_gl")
     string(APPEND other_c_flags "-DCFLTK_USE_GL")
     if(UNIX AND NOT APPLE)
-        string(APPEND pc_req_private " glx glu gl wayland-egl egl")
+        string(APPEND pc_req_private " glx glu gl wayland-egl EGL")
     elseif(APPLE)
         string(APPEND pc_libs_private " -framework OpenGL")
     elseif(WIN32)