diff --git a/socat.spec b/socat.spec
index f7a935b..6cd6464 100644
--- a/socat.spec
+++ b/socat.spec
@@ -11,9 +11,8 @@ Group: Applications/Internet
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: openssl-devel readline-devel ncurses-devel
 BuildRequires: autoconf kernel-headers > 2.6.18
-BuildRequires: iproute net-tools
-Patch1: socat-1.7.2.1-procan-cdefs.patch
-Patch2: socat-1.7.2.1-errqueue.patch
+# for make test
+BuildRequires: iproute net-tools coreutils procps-ng openssl iputils
 
 %description
 Socat is a relay for bidirectional data transfer between two independent data
@@ -48,6 +47,9 @@ install -d %{buildroot}/%{_docdir}/socat
 install -m 0644 *.sh %{buildroot}/%{_docdir}/socat/
 
 %check
+export TERM=ansi
+export OD_C=/usr/bin/od
+./socat -t 0.1  -u exec:./procan -
 make test
 
 %files