diff --git a/configure.in.in b/configure.in.in
index cf59121..03d0ca1 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -1,6 +1,8 @@
 #MIN_CONFIG(3.3.0)
 #AM_KDE_MIN_VERSION(3.3.0)
 
+KDE_ENABLE_HIDDEN_VISIBILITY
+
 AM_INIT_AUTOMAKE(smb4k,0.9.4)