diff --git a/modules/FindMagnum.cmake b/modules/FindMagnum.cmake
index 35ca585e8..88959a3ff 100644
--- a/modules/FindMagnum.cmake
+++ b/modules/FindMagnum.cmake
@@ -293,7 +293,6 @@ set(_magnumFlags
     TARGET_GL
     TARGET_GLES
     TARGET_GLES2
-    TARGET_GLES3
     TARGET_WEBGL
     TARGET_EGL
     TARGET_VK)
@@ -318,6 +317,9 @@ if(MAGNUM_BUILD_DEPRECATED)
             set(MAGNUM_TARGET_DESKTOP_GLES 1)
         endif()
     endif()
+    if(MAGNUM_TARGET_GLES AND NOT MAGNUM_TARGET_GLES2)
+        set(MAGNUM_TARGET_GLES3 1)
+    endif()
 endif()
 
 # Base Magnum library