diff --git a/OpenGL/latebind.py b/OpenGL/latebind.py
index dc28dc28..3b01133f 100644
--- a/OpenGL/latebind.py
+++ b/OpenGL/latebind.py
@@ -29,7 +29,9 @@ def finalise( self ):
 
             return final callable
             """
-
+        def __nonzero__(self):
+            """Resolve our final call and check for empty/nonzero on it"""
+            return bool(self.getFinalCall())
         def __call__( self, *args, **named ):
             """Call self._finalCall, calling finalise() first if not already called
 
diff --git a/accelerate/src/latebind.pyx b/accelerate/src/latebind.pyx
index f2748240..f009a76e 100644
--- a/accelerate/src/latebind.pyx
+++ b/accelerate/src/latebind.pyx
@@ -14,6 +14,11 @@ cdef class LateBind:
     def finalise( self ):
         """Finalise our target to our final callable object"""
 
+    def __nonzero__(self):
+        """Resolve our final call and check for empty/nonzero on it"""
+        return bool(self.getFinalCall())
+    __bool__ = __nonzero__
+
     def getFinalCall( self ):
         """Retrieve and/or bind and retrieve final call"""
         if not self._finalCall: