diff --git a/adjtimex.spec b/adjtimex.spec
index dac8d0d..24bbe65 100644
--- a/adjtimex.spec
+++ b/adjtimex.spec
@@ -18,7 +18,7 @@ adjtimex to view kernel time variables.
 
 %prep
 %setup -q
-%patch1 -p1 -b .manopts
+%patch -P1 -p1 -b .manopts
 
 %build
 %configure