@@ -70,10 +70,11 @@
        unicode.m
 
 INCLUDES := ${SRCS:.m=.h}		\
 	    OFCollection.h		\
 	    OFJSONRepresentation.h	\
+	    OFLocking.h			\
 	    OFSerialization.h		\
 	    OFTLSSocket.h		\
 	    ObjFW.h			\
 	    asprintf.h			\
 	    autorelease.h		\