diff --git a/rdma-core.spec b/rdma-core.spec
index fa4de9ab6ec7ad6ecb41803a5931c84aa9faf498..035faf7a2581430ea1cd55144e2701136d0ab0e7 100644
--- a/rdma-core.spec
+++ b/rdma-core.spec
@@ -1,6 +1,6 @@
 Name:           rdma-core
 Version:        50.0
-Release:        19
+Release:        20
 Summary:        RDMA core userspace libraries and daemons
 License:        GPL-2.0-only OR BSD-2-Clause AND BSD-3-Clause
 Url:            https://github.com/linux-rdma/rdma-core
@@ -259,7 +259,7 @@ Obsoletes: infiniband-diags-help < %{version}-%{release}
 Man pages and other related documents for %{name}.
 
 %prep
-%autosetup -v -p1
+%autosetup -p1
 
 %build
 %if 0%{?_rundir:1}
@@ -314,7 +314,7 @@ install -D -m 0755 redhat/rdma.mlx4-setup.sh %{buildroot}%{_libexecdir}/mlx4-set
 rm -f %{buildroot}%{_sysconfdir}/rdma/modules/rdma.conf
 install -D -m0644 redhat/rdma.conf %{buildroot}%{_sysconfdir}/rdma/modules/rdma.conf
 
-bin/ib_acme -D . -O
+%{__cmake_builddir}/bin/ib_acme -D . -O
 install -D -m 0644 ibacm_opts.cfg %{buildroot}%{_sysconfdir}/rdma/
 
 rm -rf %{buildroot}/%{_initrddir}/
@@ -607,12 +607,10 @@ fi
 %{_mandir}/man8/srp_daemon.8*
 
 %files -n python3-pyverbs
-%defattr(-,root,root)
 %{python3_sitearch}/pyverbs
 %{_docdir}/%{name}-%{version}/tests/*.py
 
 %files help
-%defattr(-,root,root)
 %doc %{_docdir}/%{name}-%{version}/rxe.md
 %doc %{_docdir}/%{name}-%{version}/udev.md
 %doc %{_docdir}/%{name}-%{version}/ibacm.md
@@ -625,6 +623,12 @@ fi
 %doc %{_docdir}/%{name}-%{version}/70-persistent-ipoib.rules
 
 %changelog
+* Wed Jan 08 2025 Funda Wang <fundawang@yeah.net> - 50.0-20
+- Type: bugfix
+- ID: NA
+- SUG: NA
+- DESC: finally fix cmake out-of-source build
+
 * Mon Jan 06 2025 Funda Wang <fundawang@yeah.net> - 50.0-19
 - Type: bugfix
 - ID: NA