diff --git a/hpx.spec b/hpx.spec
index e02b4ce..2db05c5 100644
--- a/hpx.spec
+++ b/hpx.spec
@@ -138,7 +138,7 @@ This package contains development headers and libraries
 
 %prep
 %setup -n %{name}-%{version} -q
-%patch0 -p1
+%patch0 -p0
 
 %build
 # use generic context for these archs