diff --git a/source/i18n/unicode/measunit.h b/source/i18n/unicode/measunit.h
index 6a64ae2b..4e3673c7 100644
--- a/source/i18n/unicode/measunit.h
+++ b/source/i18n/unicode/measunit.h
@@ -19,6 +19,7 @@
 
 #if !UCONFIG_NO_FORMATTING
 
+#include <utility>
 #include "unicode/unistr.h"
 #include "unicode/localpointer.h"