diff --git a/src/wx/macsupport.mm b/src/wx/macsupport.mm
index 4b8aca64..229597d0 100644
--- a/src/wx/macsupport.mm
+++ b/src/wx/macsupport.mm
@@ -1,3 +1,4 @@
+#include <cmath>
 #import <Foundation/Foundation.h>
 #import <Cocoa/Cocoa.h>
 
diff --git a/src/wx/panel.cpp b/src/wx/panel.cpp
index a7cfdbb3..91952f00 100644
--- a/src/wx/panel.cpp
+++ b/src/wx/panel.cpp
@@ -1,3 +1,4 @@
+#include <cmath>
 #include <wx/dcbuffer.h>
 #include <SDL_joystick.h>