diff --git a/ibus.spec b/ibus.spec
index e47ab70..0d6fbb4 100644
--- a/ibus.spec
+++ b/ibus.spec
@@ -197,7 +197,7 @@ cp -r %{SOURCE11} .
 %patch12 -p1
 
 %build
-# autoreconf -fi
+autoreconf -fi
 %configure --disable-static \
            --enable-gtk3 \
            --enable-vala \