diff --git a/src/bin/open.cpp b/src/bin/open.cpp
index 2672d04ffa..5de4accf12 100644
--- a/src/bin/open.cpp
+++ b/src/bin/open.cpp
@@ -9,6 +9,7 @@
 
 #include <Entry.h>
 #include <List.h>
+#include <MimeType.h>
 #include <Roster.h>
 #include <String.h>