diff --git a/aegisub/src/audio_player_openal.h b/aegisub/src/audio_player_openal.h
index 3afd9f00a..91caaadc1 100644
--- a/aegisub/src/audio_player_openal.h
+++ b/aegisub/src/audio_player_openal.h
@@ -51,6 +51,8 @@
 
 #ifndef AGI_PRE
 #include <vector>
+
+#include <wx/timer.h>
 #endif
 
 /// DOCME
diff --git a/aegisub/src/command/command.cpp b/aegisub/src/command/command.cpp
index 707f7d60f..d7247a4a7 100644
--- a/aegisub/src/command/command.cpp
+++ b/aegisub/src/command/command.cpp
@@ -25,6 +25,10 @@
 
 #include <libaegisub/log.h>
 
+#ifndef AGI_PRE
+#include <wx/intl.h>
+#endif
+
 namespace cmd {
 	static std::map<std::string, Command*> cmd_map;
 	typedef std::map<std::string, Command*>::iterator iterator;
diff --git a/aegisub/src/dialog_style_manager.cpp b/aegisub/src/dialog_style_manager.cpp
index b5774e83a..a783cd522 100644
--- a/aegisub/src/dialog_style_manager.cpp
+++ b/aegisub/src/dialog_style_manager.cpp
@@ -43,6 +43,7 @@
 
 #include <wx/bmpbuttn.h>
 #include <wx/clipbrd.h>
+#include <wx/dir.h>
 #include <wx/filedlg.h>
 #include <wx/filename.h>
 #include <wx/intl.h>