diff --git a/src/xpra/gl/gl_check.py b/src/xpra/gl/gl_check.py
index 81c5eb8d89..476a7bd830 100644
--- a/src/xpra/gl/gl_check.py
+++ b/src/xpra/gl/gl_check.py
@@ -21,7 +21,7 @@ def check_GL_support(gldrawable, glcontext):
         from OpenGL.GL import glGetString
         gl_major = int(glGetString(GL_VERSION)[0])
         gl_minor = int(glGetString(GL_VERSION)[2])
-        if gl_major<=1 and gl_minor<1:
+        if (gl_major, gl_minor) <= (1,3):
             raise ImportError("** OpenGL output requires OpenGL version 1.1 or greater, not %s.%s" % (gl_major, gl_minor))
         log("found valid OpenGL version: %s.%s", gl_major, gl_minor)