diff --git a/src/mirall/syncengine.h b/src/mirall/syncengine.h
index 1406a27b2..c38e793ed 100644
--- a/src/mirall/syncengine.h
+++ b/src/mirall/syncengine.h
@@ -39,7 +39,7 @@ class SyncJournalDb;
 
 class OwncloudPropagator;
 
-void csyncLogCatcher(int /*verbosity*/,
+void OWNCLOUDSYNC_EXPORT csyncLogCatcher(int /*verbosity*/,
                      const char */*function*/,
                      const char *buffer,
                      void */*userdata*/);