diff --git a/src/Record.cpp b/src/Record.cpp
index b7670e6b8..0f00fdb68 100644
--- a/src/Record.cpp
+++ b/src/Record.cpp
@@ -26,6 +26,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #include <sstream>
+#include <stdlib.h>
 #include "util.h"
 #include "Record.h"
 
diff --git a/src/Sequence.cpp b/src/Sequence.cpp
index 34e238ed3..23c9836d4 100644
--- a/src/Sequence.cpp
+++ b/src/Sequence.cpp
@@ -27,6 +27,7 @@
 
 #include <map>
 #include <string>
+#include <algorithm>
 #include <ctype.h>
 #include "util.h"
 #include "text.h"