diff --git a/src/hb-private.hh b/src/hb-private.hh
index 752bd2485728d0c2f61f026508a5c0c986df708e..b5c8cef4bc14a69a93cd5ac7c4135b41aaf85d4a 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -130,7 +130,7 @@ ASSERT_STATIC (sizeof (hb_var_int_t) == 4);
 #else
 #define HB_PURE_FUNC
 #define HB_CONST_FUNC
-#define HB_PRINTF_FUCN(format_idx, arg_idx)
+#define HB_PRINTF_FUNC(format_idx, arg_idx)
 #endif
 #if __GNUC__ >= 4
 #define HB_UNUSED	__attribute__((unused))