diff --git a/include/lsl_cpp.h b/include/lsl_cpp.h
index 02997044..d2f5d6bc 100644
--- a/include/lsl_cpp.h
+++ b/include/lsl_cpp.h
@@ -324,7 +324,8 @@ class stream_info {
 
 	/// lsl_stream_info_matches_query
 	bool matches_query(const char *query) const {
-		return lsl_stream_info_matches_query(obj.get(), query);
+		int result = lsl_stream_info_matches_query(obj.get(), query);
+		return result != 0; 
 	}