diff --git a/src/ViewerTest/ViewerTest_CmdParser.cxx b/src/ViewerTest/ViewerTest_CmdParser.cxx
index 04cb7d4b1cf49fe0f8c4dd2e6dc4cd47ff21be49..a8619da14425ac1261b791b84a74b884e34e6633 100644
--- a/src/ViewerTest/ViewerTest_CmdParser.cxx
+++ b/src/ViewerTest/ViewerTest_CmdParser.cxx
@@ -21,6 +21,7 @@
 
 #include <algorithm>
 #include <iostream>
+#include <limits>
 
 namespace
 {