diff --git a/plugins/pck-update.in b/plugins/pck-update.in
index 098ac95..269aa02 100644
--- a/plugins/pck-update.in
+++ b/plugins/pck-update.in
@@ -2301,6 +2301,7 @@ build the list of the build requirements""${NORM}"
                :
             elif [ "${req:0:7}" = "rpmlib(" -o \
                    "${req:0:7}" = "config(" -o \
+                   "${req:0:5}" = "rtld(" -o \
                    "${req:0:11}" = "executable(" ]; then
                # not a build requirement
                :
@@ -2317,9 +2318,12 @@ build the list of the build requirements""${NORM}"
                [ "$buildreq" ] ||
                   echo "# $req: perl requirement not resolved"
             elif [ "${req}" = "python(abi)" ]; then
-               # FIXME: libpython-devel should be defined in autospec.conf
                # python requirement
-               buildreq="libpython-devel"
+               reqver=${line/*= /}
+               buildreq="libpython${reqver/\.}-devel"
+               rpm -q --qf %{name} --whatprovides "$buildreq" &>/dev/null || {
+                  buildreq="libpython${reqver/\.*}-devel"
+               }
             elif [[ "$req" =~ .*\.so\.[0-9]* ]]; then
                solibpath_catch=""
                # is a shared library