diff --git a/Frameworks/OakAppKit/src/IOAlertPanel.h b/Frameworks/OakAppKit/src/IOAlertPanel.h
new file mode 100644
index 00000000..d264fbf4
--- /dev/null
+++ b/Frameworks/OakAppKit/src/IOAlertPanel.h
@@ -0,0 +1,8 @@
+#ifndef IO_ALERT_PANEL_H_TGU0N94P
+#define IO_ALERT_PANEL_H_TGU0N94P
+
+#include <oak/misc.h>
+
+PUBLIC void OakRunIOAlertPanel (char const* format, ...) __attribute__ ((format (printf, 1, 2)));
+
+#endif /* end of include guard: IO_ALERT_PANEL_H_TGU0N94P */
diff --git a/Frameworks/OakAppKit/src/OakAppKit.h b/Frameworks/OakAppKit/src/OakAppKit.h
index d8be5ff4..b96c2cc4 100644
--- a/Frameworks/OakAppKit/src/OakAppKit.h
+++ b/Frameworks/OakAppKit/src/OakAppKit.h
@@ -1,8 +1,8 @@
+#include "IOAlertPanel.h"
 #include <oak/misc.h>
 
 PUBLIC extern NSString* const OakCursorDidHideNotification;
 
-PUBLIC void OakRunIOAlertPanel (char const* format, ...) __attribute__ ((format (printf, 1, 2)));
 PUBLIC BOOL OakIsAlternateKeyOrMouseEvent (NSUInteger flags = NSAlternateKeyMask, NSEvent* anEvent = [NSApp currentEvent]);
 
 #if !defined(MAC_OS_X_VERSION_10_7) || (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7)