diff --git a/libmwaw.spec b/libmwaw.spec
index 177372a..3d6d8b3 100644
--- a/libmwaw.spec
+++ b/libmwaw.spec
@@ -56,6 +56,7 @@ Supported output formats are CSV, XHTML, text and raw.
 %autosetup -p1
 
 %build
+aclocal
 automake
 %configure --disable-static --disable-werror --disable-zip --enable-docs
 sed -i \