diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype.ksh
index 978cde3cf0ef..432a9fccb44f 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype.ksh
@@ -29,6 +29,7 @@ dtrace=$1
 t="season_8_mountain_of_madness_t"
 pid=$$
 
-rc=`$dtrace -n "BEGIN{ trace(pid$pid`$t)0); }"`
+$dtrace -n "BEGIN{ trace(pid$pid\`$t)0); }"
+rc=$?
 
 exit $rc
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype2.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype2.ksh
index e64ed526ed37..d1b48769ba6c 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype2.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/err.invalidtype2.ksh
@@ -30,6 +30,7 @@ dtrace=$1
 t="season_8_mountain_of_madness_t"
 pid=$$
 
-rc=`$dtrace -n "BEGIN{ trace(pid`$t)0); }"` -p $pid
+$dtrace -n "BEGIN{ trace(pid$pid\`$t)0); }" -p $pid
+rc=$?
 
 exit $rc
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.aouttype.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.aouttype.ksh
index 3a842af365a6..95b26c82d7ab 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.aouttype.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.aouttype.ksh
@@ -25,7 +25,7 @@ if [ $# != 1 ]; then
 fi
 
 dtrace=$1
-t="season_7_lisa_the_vegetrian_t *"
+t="season_7_lisa_the_vegetarian_t *"
 exe="tst.aouttype.exe"
 
 elfdump -c "./$exe" | grep -Fq 'sh_name: .SUNW_ctf' 
@@ -37,7 +37,8 @@ fi
 ./$exe &
 pid=$!
 
-rc=`$dtrace -n "BEGIN{ trace((pid$pid\`$t)0); exit(0); }"`
+$dtrace -n "BEGIN{ trace((pid$pid\`$t)0); exit(0); }"
+rc=$?
 
 kill -9 $pid
 
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.libtype.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.libtype.ksh
index 5b9ce91e9c9e..233616619e7d 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.libtype.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/uctf/tst.libtype.ksh
@@ -38,7 +38,8 @@ fi
 ./$exe &
 pid=$!
 
-rc=`$dtrace -n "BEGIN{ trace((pid$pid\`$t)0); exit(0); }"`
+$dtrace -n "BEGIN{ trace((pid$pid\`$t)0); exit(0); }"
+rc=$?
 
 kill -9 $pid