diff --git a/app-office/overgrive/overgrive-3.3.7.ebuild b/app-office/overgrive/overgrive-3.3.7.ebuild
index 5c483a9..84c36eb 100644
--- a/app-office/overgrive/overgrive-3.3.7.ebuild
+++ b/app-office/overgrive/overgrive-3.3.7.ebuild
@@ -32,7 +32,7 @@ DEPEND="
 S="${WORKDIR}"
 
 src_prepare() {
-	unpack ./control.tar.gz
+	unpack ./control.tar.xz
 	unpack ./data.tar.xz
 
 	eapply "${FILESDIR}/${PN}.desktop.patch"