diff --git a/server/proxy/modules/bitmap-filter/bitmap-filter.cpp b/server/proxy/modules/bitmap-filter/bitmap-filter.cpp
index 5269dc881..48fe36a9f 100644
--- a/server/proxy/modules/bitmap-filter/bitmap-filter.cpp
+++ b/server/proxy/modules/bitmap-filter/bitmap-filter.cpp
@@ -377,7 +377,9 @@ static BOOL filter_dyn_channel_intercept(proxyPlugin* plugin, proxyData* pdata,
 
 		if (state->skip())
 		{
-			state->skip(inputDataLength);
+			if (!state->skip(inputDataLength))
+				return FALSE;
+
 			if (state->drop())
 			{
 				WLog_WARN(TAG,