Index: src/OFBlock.m
==================================================================
--- src/OFBlock.m
+++ src/OFBlock.m
@@ -27,10 +27,11 @@
 #endif
 
 #import "OFBlock.h"
 
 #import "OFAllocFailedException.h"
+#import "OFInitializationFailedException.h"
 #import "OFNotImplementedException.h"
 
 #ifdef OF_ATOMIC_OPS
 # import "atomic.h"
 #endif