diff --git a/graphics/GraphicsMagick/GraphicsMagick.SlackBuild b/graphics/GraphicsMagick/GraphicsMagick.SlackBuild
index 57f1c1c942..eb151fc762 100644
--- a/graphics/GraphicsMagick/GraphicsMagick.SlackBuild
+++ b/graphics/GraphicsMagick/GraphicsMagick.SlackBuild
@@ -104,7 +104,7 @@ rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
 rm -rf $PRGNAM-$VERSION
-tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
+tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
 cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \