diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6f1e79f..22294821 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -407,6 +407,11 @@ if(ENABLE_QT_GUI)
     if(LINUX OR FREEBSD)
         find_package(X11 REQUIRED)
         target_link_libraries(Alber PRIVATE ${X11_LIBRARIES})
+
+        if(ENABLE_OPENGL)
+            find_package(OpenGL REQUIRED COMPONENTS OpenGL EGL GLX)
+            target_link_libraries(Alber PRIVATE OpenGL::OpenGL OpenGL::EGL OpenGL::GLX)
+        endif()
     endif()
 else()
     target_compile_definitions(Alber PUBLIC "PANDA3DS_FRONTEND_SDL=1")