diff --git a/Makefile.in b/Makefile.in
index fc0bcd438c..b529928dba 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1984,6 +1984,7 @@ COND_TOOLKIT_COCOA_GUI_HDR =  \
 	wx/cocoa/textctrl.h \
 	wx/cocoa/timer.h \
 	wx/cocoa/toolbar.h \
+	wx/cocoa/tooltip.h \
 	wx/cocoa/toplevel.h \
 	wx/cocoa/window.h \
 	wx/generic/caret.h \
diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index d1994b5498..4e8f21ea01 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -2518,6 +2518,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/cocoa/textctrl.h
     wx/cocoa/timer.h
     wx/cocoa/toolbar.h
+    wx/cocoa/tooltip.h
     wx/cocoa/toplevel.h
     wx/cocoa/window.h
     <!-- Generic implementations used by wxCocoa: -->