diff --git a/src/OpenMesh/Core/Utils/Predicates.hh b/src/OpenMesh/Core/Utils/Predicates.hh
index 3bb85a08..2880eb5a 100644
--- a/src/OpenMesh/Core/Utils/Predicates.hh
+++ b/src/OpenMesh/Core/Utils/Predicates.hh
@@ -49,6 +49,7 @@
 #include <array>
 #include <vector>
 #include <set>
+#include <type_traits>
 
 //== NAMESPACES ===============================================================