diff --git a/lib/kwinglplatform.cpp b/lib/kwinglplatform.cpp
index c9d3997842..0d88f6279e 100644
--- a/lib/kwinglplatform.cpp
+++ b/lib/kwinglplatform.cpp
@@ -31,6 +31,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <iostream>
 #include <iomanip>
+#include <ios>
 
 #ifdef KWIN_HAVE_OPENGL