diff --git a/amount.cc b/amount.cc
index f9b6fc29..4f07b0b0 100644
--- a/amount.cc
+++ b/amount.cc
@@ -4,7 +4,6 @@
 #include <list>
 #include <sstream>
 #include <cstdlib>
-#include <memory>
 
 #include <gmp.h>
 
diff --git a/amount.h b/amount.h
index dfe8d2df..3df04c1d 100644
--- a/amount.h
+++ b/amount.h
@@ -4,6 +4,7 @@
 #include <map>
 #include <stack>
 #include <string>
+#include <memory>
 #include <cctype>
 #include <iostream>
 #include <sstream>