diff --git a/configure.in.in b/configure.in.in
index ddc3bef..4029689 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -1,5 +1,7 @@
 #MIN_CONFIG(3.2)
 
+KDE_ENABLE_HIDDEN_VISIBILITY
+
 #dnl CXXFLAGS="$NOOPT_CXXFLAGS" dnl __tdevelop[noopt]__
 #dnl CFLAGS="$NOOPT_CFLAGS" dnl __tdevelop[noopt]__
 #dnl CXXFLAGS="$CXXFLAGS $USE_EXCEPTIONS" dnl __tdevelop[exc]__