1 files changed, 1 insertions, 0 deletions
diff --git a/src/server.h b/src/server.h
index d4f989264..d2ef36983 100644
--- a/src/server.h
+++ b/src/server.h
@@ -2026,6 +2026,7 @@ void xrevrangeCommand(client *c);
 void xlenCommand(client *c);
 void xreadCommand(client *c);
 void xgroupCommand(client *c);
+void xackCommand(client *c);
 
 #if defined(__GNUC__)
 void *calloc(size_t count, size_t size) __attribute__ ((deprecated));