diff --git a/frei0r-plugins.spec b/frei0r-plugins.spec
index 210607a..2c2c90c 100644
--- a/frei0r-plugins.spec
+++ b/frei0r-plugins.spec
@@ -1,3 +1,7 @@
+%if 0%{?fedora} && 0%{?fedora} < 32
+%global _with_opencv 1
+%endif
+
 Name:           frei0r-plugins
 Version:        1.7.0
 Release:        3%{?dist}
@@ -13,8 +17,11 @@ Buildrequires:  libtool
 
 BuildRequires:  gcc-c++
 BuildRequires:  gavl-devel >= 0.2.3
-%if 0%{?fedora} && 0%{?fedora} < 32
+%if 0%{?_with_opencv}
 BuildRequires:  opencv-devel >= 1.0.0
+%else
+# Obsoletes introduced in f32
+Obsoletes: frei0r-plugins-opencv < 1.7.0-3
 %endif
 BuildRequires:  cairo-devel >= 1.0.0
      
@@ -65,9 +72,11 @@ rm -rf %{buildroot}%{_docdir}/%{name}
 %exclude %{_libdir}/frei0r-1/facedetect.so
 %{_libdir}/frei0r-1/*.so
 
+%if 0%{?_with_opencv}
 %files opencv
 %{_libdir}/frei0r-1/facebl0r.so
 %{_libdir}/frei0r-1/facedetect.so
+%endif
 
 %files -n frei0r-devel
 %{_includedir}/frei0r.h