diff --git a/Frameworks/HTMLOutput/src/helpers/HOJSBridge.mm b/Frameworks/HTMLOutput/src/helpers/HOJSBridge.mm
index 6b8bd14a..ea2a2425 100644
--- a/Frameworks/HTMLOutput/src/helpers/HOJSBridge.mm
+++ b/Frameworks/HTMLOutput/src/helpers/HOJSBridge.mm
@@ -86,7 +86,7 @@ OAK_DEBUG_VAR(HTMLOutput_JSBridge);
 
 - (double)progress
 {
-	return [_delegate progress];
+	return [(id <HOJSBridgeDelegate>)_delegate progress];
 }
 
 - (void)log:(NSString*)aMessage