1 files changed, 1 insertions, 1 deletions
diff --git a/include/timers.h b/include/timers.h
index abceda449..8bff4134d 100644
--- a/include/timers.h
+++ b/include/timers.h
@@ -13,7 +13,7 @@ namespace Botan {
 /*************************************************
 * Timer Interface                                *
 *************************************************/
-class Timer : public EntropySource
+class BOTAN_DLL Timer : public EntropySource
    {
    public:
       virtual u64bit clock() const;