diff --git a/Source/FieldSolver/Fields.H b/Source/FieldSolver/Fields.H
index 3c6c2aa3e28..9e4ce5a71a7 100644
--- a/Source/FieldSolver/Fields.H
+++ b/Source/FieldSolver/Fields.H
@@ -8,6 +8,7 @@
 #define WARPX_FIELDS_H_
 
 #include <algorithm>
+#include <iterator>
 
 namespace warpx::fields
 {