@@ -14,10 +14,11 @@
 #include <string.h>
 #include <unistd.h>
 #include <assert.h>
 
 #import "OFStream.h"
+#import "OFString.h"
 #import "OFExceptions.h"
 #import "OFMacros.h"
 
 #ifdef _WIN32
 #include <windows.h>