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-rw-r--r--src/wx/swaroop_controls.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/wx/swaroop_controls.cc b/src/wx/swaroop_controls.cc
index 622e943c2..78419a08c 100644
--- a/src/wx/swaroop_controls.cc
+++ b/src/wx/swaroop_controls.cc
@@ -167,6 +167,7 @@ SwaroopControls::viewer_position_changed ()
checked_fwrite (p.c_str(), p.length(), f, Config::path("position"));
#ifdef DCPOMATIC_LINUX
+ fflush (f);
fsync (fileno(f));
#endif
fclose (f);