diff --git a/SPECS/srt.spec b/SPECS/srt.spec
index bf2f63f..593a78d 100644
--- a/SPECS/srt.spec
+++ b/SPECS/srt.spec
@@ -38,7 +38,7 @@ Secure Reliable Transport protocol development libraries and header files
 
 
 %prep
-%autosetup -p1 -n %{name}-%{version}%{rc}
+%autosetup -p1 -n %{name}-%{version}-rc.0
 
 
 %build