diff --git a/swissbrowser.spec.in b/swissbrowser.spec.in
index 9059e85..e6fe7ee 100644
--- a/swissbrowser.spec.in
+++ b/swissbrowser.spec.in
@@ -21,7 +21,8 @@ This package contains the program and shared libraries required at runtime.
 %setup -q
 ./configure --prefix=/usr \
             --docdir=/usr/share/doc/packages/@PACKAGENAME@ \
-            --libdir=/usr/%_lib
+            --libdir=/usr/%_lib \
+            --with-qt-install-plugins=/usr/share/qt4/plugins/designer
 
 %build
 make