diff --git a/rtengine/imageio.cc b/rtengine/imageio.cc
index 3ad8faee0..f8edfdd58 100644
--- a/rtengine/imageio.cc
+++ b/rtengine/imageio.cc
@@ -1227,7 +1227,7 @@ int ImageIO::saveTIFF (Glib::ustring fname, int bps, bool uncompressed)
         }
 
         // buffer for the exif and iptc
-        int bufferSize = 165535;   //TODO: Is it really 165535... or 65535 ?
+        int bufferSize = 175535;   //TODO: Is it really 165535... or 65535 ?
 
         if(profileData) {
             bufferSize += profileLength;
diff --git a/rtgui/batchqueue.cc b/rtgui/batchqueue.cc
index 7856b72a0..5d91b6ee9 100644
--- a/rtgui/batchqueue.cc
+++ b/rtgui/batchqueue.cc
@@ -370,7 +370,7 @@ Glib::ustring BatchQueue::getTempFilenameForParams( const Glib::ustring filename
     timeval tv;
     gettimeofday(&tv, 0);
     char mseconds[4];
-    sprintf(mseconds, "%d", tv.tv_usec / 1000);
+    sprintf(mseconds, "%d", (int)(tv.tv_usec / 1000));
     time_t rawtime;
     struct tm *timeinfo;
     char stringTimestamp [80];