diff --git a/packages/seacas/applications/exodiff/check.C b/packages/seacas/applications/exodiff/check.C
index d90ea6a253..7dca3c8ba4 100644
--- a/packages/seacas/applications/exodiff/check.C
+++ b/packages/seacas/applications/exodiff/check.C
@@ -4,6 +4,7 @@
 //
 // See packages/seacas/LICENSE for details
 
+#include <algorithm>
 #include <cstdio>
 #include <cstdlib>
 #include <vector>