1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 8ce27a65f..277c1ac07 100644
--- a/Makefile
+++ b/Makefile
@@ -214,7 +214,7 @@ LIB_OBJS = \
 	$(DIFF_OBJS)
 
 BUILTIN_OBJS = \
-	builtin-log.o builtin-help.o
+	builtin-log.o builtin-help.o builtin-diff.o
 
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 LIBS = $(GITLIBS) -lz