diff --git a/tests/frontend/install.sh b/tests/frontend/install.sh
index 8a9034a561..7620d93c42 100644
--- a/tests/frontend/install.sh
+++ b/tests/frontend/install.sh
@@ -6,7 +6,7 @@ tests_init \
 	metalog \
 	reinstall \
 	pre_script_fail \
-	post_script_ignored \
+	post_script_fail \
 	install_missing_dep
 
 test_setup()
@@ -150,7 +150,7 @@ EOF
 		pkg -o REPOS_DIR="/dev/null" install -y ${TMPDIR}/test-1.pkg
 }
 
-post_script_ignored_body()
+post_script_fail_body()
 {
 	atf_check -s exit:0 sh ${RESOURCEDIR}/test_subr.sh new_pkg test test 1
 	cat << EOF >> test.ucl
@@ -167,7 +167,7 @@ EOF
 
 	atf_check -o ignore \
 		-e inline:"${PROGNAME}: POST-INSTALL script failed\n" \
-		-s exit:0 \
+		-s exit:r \
 		pkg -o REPOS_DIR="/dev/null" install -y ${TMPDIR}/test-1.pkg
 }
 
diff --git a/tests/frontend/lua.sh b/tests/frontend/lua.sh
index fdf49958b8..4946f81470 100644
--- a/tests/frontend/lua.sh
+++ b/tests/frontend/lua.sh
@@ -221,7 +221,7 @@ pkg: lua script failed\n"
 	mkdir -p ${TMPDIR}/target
 	atf_check \
 		-e inline:"${ERR}" \
-		-s exit:0 \
+		-s exit:3 \
 		pkg -o REPOS_DIR=/dev/null -r ${TMPDIR}/target install -qfy ${TMPDIR}/test-1.pkg
 }
 
diff --git a/tests/lib/lua.c b/tests/lib/lua.c
index c48d18c519..7c475c3722 100644
--- a/tests/lib/lua.c
+++ b/tests/lib/lua.c
@@ -301,7 +301,7 @@ ATF_TC_BODY(override, tc)
 		}
 		exit(lua_tonumber(L, -1));
 	}
-	atf_utils_wait(p, 0, "[string \"os.execute(\"/usr/bin/true\")\"]:1: os.execute not available\n", "");
+	atf_utils_wait(p, 1, "[string \"os.execute(\"/usr/bin/true\")\"]:1: os.execute not available\n", "");
 
 	p = atf_utils_fork();
 	if (p == 0) {
@@ -310,7 +310,7 @@ ATF_TC_BODY(override, tc)
 		}
 		exit(lua_tonumber(L, -1));
 	}
-	atf_utils_wait(p, 0, "[string \"os.exit(1)\"]:1: os.exit not available\n", "");
+	atf_utils_wait(p, 1, "[string \"os.exit(1)\"]:1: os.exit not available\n", "");
 
 	int rootfd = open(getcwd(NULL, 0), O_DIRECTORY);
 	lua_pushinteger(L, rootfd);
@@ -342,7 +342,7 @@ ATF_TC_BODY(override, tc)
 		}
 		exit(lua_tonumber(L, -1));
 	}
-	atf_utils_wait(p, 0, "[string \"os.remove(\"/bob\")...\"]:2: /bob: No such file or directory\n", "");
+	atf_utils_wait(p, 1, "[string \"os.remove(\"/bob\")...\"]:2: /bob: No such file or directory\n", "");
 }
 
 ATF_TC_BODY(fileops, tc)