diff --git a/lyx.spec b/lyx.spec
index 2f58bf2..d6a5ecd 100644
--- a/lyx.spec
+++ b/lyx.spec
@@ -143,7 +143,7 @@ BuildArch:      noarch
 A collection of Math symbol fonts for LyX.
 
 %prep
-%autosetup
+%autosetup -p1
 
 %build
 #./autogen.sh