diff --git a/abicheck.spec b/abicheck.spec
index 3ee7208..d80ed26 100644
--- a/abicheck.spec
+++ b/abicheck.spec
@@ -26,7 +26,7 @@ Binary Interface).
 
 %prep
 %setup -q
-sed -i -e "1,1s!^  #!#!" abicheck.pl
+sed -i -e '1d;2i#!/usr/bin/perl' abicheck.pl
 %patch -p1 -b .fc3
 %patch1 -p1 -b .tests
 %patch2 -p1 -b .bindings-fc4