diff --git a/src/os2/font.cpp b/src/os2/font.cpp
index 7b9f1890e6..52e3ec4d2e 100644
--- a/src/os2/font.cpp
+++ b/src/os2/font.cpp
@@ -35,6 +35,7 @@
 
 #include "wx/fontutil.h"
 #include "wx/fontmap.h"
+#include "wx/encinfo.h"
 
 #include "wx/tokenzr.h"
 
diff --git a/src/os2/fontenum.cpp b/src/os2/fontenum.cpp
index 26a1043932..d85e98f18e 100644
--- a/src/os2/fontenum.cpp
+++ b/src/os2/fontenum.cpp
@@ -32,6 +32,7 @@
 
 #include "wx/fontenum.h"
 #include "wx/fontmap.h"
+#include "wx/encinfo.h"
 
 #include "wx/os2/private.h"
 
diff --git a/src/os2/fontutil.cpp b/src/os2/fontutil.cpp
index d552bdbc0a..d0e497a31b 100644
--- a/src/os2/fontutil.cpp
+++ b/src/os2/fontutil.cpp
@@ -39,6 +39,7 @@
 
 #include "wx/fontutil.h"
 #include "wx/fontmap.h"
+#include "wx/encinfo.h"
 
 #include "wx/tokenzr.h"