diff --git a/libretroshare/src/pqi/pqistreamer.cc b/libretroshare/src/pqi/pqistreamer.cc
index 9a0d522b4..af890f77f 100644
--- a/libretroshare/src/pqi/pqistreamer.cc
+++ b/libretroshare/src/pqi/pqistreamer.cc
@@ -217,6 +217,7 @@ void pqistreamer::updateRates()
     // now update rates both ways.
 
     time_t t = time(NULL); // get current timestep.
+    int64_t diff ;
 
     {
 	    RsStackMutex stack(mStreamerMtx); /**** LOCKED MUTEX ****/