diff --git a/configure.in.in b/configure.in.in
index d064ddc..cb76d75 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -1,5 +1,7 @@
 #MIN_CONFIG(3.3)
 
+KDE_ENABLE_HIDDEN_VISIBILITY
+
 AM_INIT_AUTOMAKE(ksquirrel,0.8.0)
 
 sq_kipi="yes"