--- libdbus-c++-0.9.0/src/pipe.cpp.writechar	2017-02-16 11:07:13.591950169 +0000
+++ libdbus-c++-0.9.0/src/pipe.cpp	2017-02-16 11:04:17.158796092 +0000
@@ -83,5 +83,5 @@
 void Pipe::signal()
 {
   // TODO: ignoring return of read/write generates warning; maybe relevant for eventloop work...
-  ::write(_fd_write, '\0', 1);
+  ::write(_fd_write, "", 1);
 }