diff --git a/plugins/pck-update.in b/plugins/pck-update.in
index 9a77368..5696996 100644
--- a/plugins/pck-update.in
+++ b/plugins/pck-update.in
@@ -478,6 +478,8 @@ rpm -q $USER_RPMDEFINE_OPTS --specfile --specedit $SRPM_SPECFILE_WITH_PATH \
         [ "$SPEC_BUILDREQUIRES" ] || specfile.getvars -s $SPECFILE_PREPROCESSED SPEC_BUILDREQUIRES
         [ "$SPEC_BUILDROOT"     ] || specfile.getvars -s $SPECFILE_PREPROCESSED SPEC_BUILDROOT
 
+     SPEC_OBSOLETES_ESCAPED = `echo "(${SPEC_OBSOLETES[*]})" | sed "s|<|\<|;s|>|\>|"`
+
         echo "\
 SPEC_NAME=\"$SPEC_NAME\"
 SPEC_VERSION=\"$SPEC_VERSION\"
@@ -495,7 +497,7 @@ $(for i in `seq 1 1 ${#SPEC_LICENSE[*]}`; do
    echo -n "\"${SPEC_LICENSE[i-1]}\" "
 done))
 SPEC_TARGET=(${SPEC_TARGET[*]})
-SPEC_OBSOLETES=(${SPEC_OBSOLETES[*]})
+SPEC_OBSOLETES=(${SPEC_OBSOLETES_ESCAPED[*]})
 SPEC_BUILDARCH=\"$SPEC_BUILDARCH\"
 SPEC_BUILDROOT=\"$SPEC_BUILDROOT\"
 SPEC_BUILDREQUIRES=(\