diff --git a/engines/scumm/smush/chunk.cpp b/engines/scumm/smush/chunk.cpp
index d698baa8442..6395f67726d 100644
--- a/engines/scumm/smush/chunk.cpp
+++ b/engines/scumm/smush/chunk.cpp
@@ -84,10 +84,14 @@ bool BaseChunk::seek(int32 delta, seek_type dir) {
 	}
 
 	if (_curPos > _size) {
-// FIXME: This is an evil hack, can't we do better?!
-//		if (g_scumm->_insaneRunning) {
-//			warning("Looks like you compressed file %s in wrong way. It has FLU index which was not updated", _name.c_str());
-//		}
+		// It may happen that user misused our SAN compression tool
+		// and ignored FLU index for videos which are used by INSANE.
+		// This will lead to incorrect seek requests
+		//
+		// Check if INSANE is running and give more feedback in this case
+		if (g_scumm->_insaneRunning) {
+			warning("Looks like you compressed file %s in wrong way. It has FLU index which was not updated", _name.c_str());
+		}
 		error("invalid seek request : %d > %d (delta == %d)", _curPos, _size, delta);
 	}
 	return true;