diff --git a/configure.in.in b/configure.in.in
index c2b81f4..66d15a1 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -1,4 +1,5 @@
 #MIN_CONFIG(3.2)
 
+KDE_ENABLE_HIDDEN_VISIBILITY
 KDE_INIT_DOXYGEN([The API Reference], [Version $VERSION])