diff --git a/OpenRA.Platforms.Default/OpenGL.cs b/OpenRA.Platforms.Default/OpenGL.cs
index b63f1d6a94..ca9dc43a8e 100644
--- a/OpenRA.Platforms.Default/OpenGL.cs
+++ b/OpenRA.Platforms.Default/OpenGL.cs
@@ -512,8 +512,9 @@ namespace OpenRA.Platforms.Default
 			{
 				try
 				{
-					glDebugMessageCallback = Bind<DebugMessageCallback>("glDebugMessageCallback");
-					glDebugMessageInsert = Bind<DebugMessageInsert>("glDebugMessageInsert");
+					var suffix = Features.HasFlag(GLFeatures.GLES) ? "KHR" : "";
+					glDebugMessageCallback = Bind<DebugMessageCallback>("glDebugMessageCallback" + suffix);
+					glDebugMessageInsert = Bind<DebugMessageInsert>("glDebugMessageInsert" + suffix);
 
 					glEnable(GL_DEBUG_OUTPUT);
 					glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);