diff --git a/core/include/util.h b/core/include/util.h
index b1eabd52d..eccdbd372 100644
--- a/core/include/util.h
+++ b/core/include/util.h
@@ -65,7 +65,7 @@ typedef unsigned long long  uint64;
 #endif
 
 // This is needed because the foreach macro can't get over the comma in pair<t1, t2>
-#define PAIRTYPE(t1, t2)    pair<t1, t2>
+#define PAIRTYPE(t1, t2)    std::pair<t1, t2>
 
 // Used to bypass the rule against non-const reference to temporary
 // where it makes sense with wrappers such as CFlatData or CTxDB