diff --git a/package/libargtable2/libargtable2.mk b/package/libargtable2/libargtable2.mk
index 57eb629ff1..5f388f9745 100644
--- a/package/libargtable2/libargtable2.mk
+++ b/package/libargtable2/libargtable2.mk
@@ -5,6 +5,7 @@
 #############################################################
 
 LIBARGTABLE2_VERSION = 13
+LIBARGTABLE2_SOURCE = argtable2-$(LIBARGTABLE2_VERSION).tar.gz
 LIBARGTABLE2_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/argtable/
 
 LIBARGTABLE2_INSTALL_STAGING = YES