diff --git a/source/lib/res/sound/snd_mgr.cpp b/source/lib/res/sound/snd_mgr.cpp
index 4b172ca442..b9750e9fe2 100644
--- a/source/lib/res/sound/snd_mgr.cpp
+++ b/source/lib/res/sound/snd_mgr.cpp
@@ -30,6 +30,7 @@
 #include <deque>
 #include <cmath>
 #include <cstdio>
+#include <cfloat>
 
 #include "lib/path_util.h"
 #include "../h_mgr.h"
diff --git a/source/simulation2/system/ParamNode.h b/source/simulation2/system/ParamNode.h
index 5298d9ebde..5748584cb1 100644
--- a/source/simulation2/system/ParamNode.h
+++ b/source/simulation2/system/ParamNode.h
@@ -22,6 +22,7 @@
 #include "ps/Errors.h"
 
 #include <map>
+#include <set>
 
 class XMBFile;
 class XMBElement;