diff --git a/libiec61883.spec b/libiec61883.spec
index caae605..b17f112 100644
--- a/libiec61883.spec
+++ b/libiec61883.spec
@@ -38,7 +38,7 @@ Requires:       %{name} = %{version}-%{release}
 Utilities that make use of iec61883
 
 %prep
-%autosetup
+%autosetup -p1
 
 %build
 %configure --disable-static