diff --git a/tools/regression/usr.bin/sed/regress.P.out b/tools/regression/usr.bin/sed/regress.P.out
new file mode 100644
index 000000000000..4d3284f8bdd2
--- /dev/null
+++ b/tools/regression/usr.bin/sed/regress.P.out
@@ -0,0 +1,8 @@
+input
+input
+data
+data
+for validation
+for validation
+of sed(1)
+of sed(1)
diff --git a/tools/regression/usr.bin/sed/regress.sh b/tools/regression/usr.bin/sed/regress.sh
index 10cc0016ae77..9198b3ffcf7f 100644
--- a/tools/regression/usr.bin/sed/regress.sh
+++ b/tools/regression/usr.bin/sed/regress.sh
@@ -1,30 +1,33 @@
 # $FreeBSD$
 
 # Go into the regression test directory, handed to us by make(1)
 TESTDIR=$1
 if [ -z "$TESTDIR" ]; then
   TESTDIR=.
 fi
 cd $TESTDIR
 
 STATUS=0
 
-for test in G psl; do
+for test in G P psl; do
   echo "Running test $test"
   case "$test" in
   G)
     sed G < regress.in | diff -u regress.$test.out -
     ;;
+  P)
+    sed P < regress.in | diff -u regress.$test.out -
+    ;;
   psl)	
     sed '$!g; P; D' < regress.in | diff -u regress.$test.out -
     ;;
   esac
   if [ $? -eq 0 ]; then
     echo "Test $test detected no regression, output matches."
   else
     STATUS=$?
     echo "Test $test failed: regression detected.  See above."
   fi
 done
 
 exit $STATUS