diff --git a/test/TEST-78-SIGQUEUE/test.sh b/test/TEST-78-SIGQUEUE/test.sh
index 61e8e7d1c4..80ce7926ab 100755
--- a/test/TEST-78-SIGQUEUE/test.sh
+++ b/test/TEST-78-SIGQUEUE/test.sh
@@ -3,6 +3,8 @@
 set -e
 
 TEST_DESCRIPTION="Test queue signal logic"
+# Ignore gcov complaints caused by DynamicUser=true
+IGNORE_MISSING_COVERAGE=yes
 
 # shellcheck source=test/test-functions
 . "$TEST_BASE_DIR/test-functions"
diff --git a/test/units/testsuite-74.firstboot.sh b/test/units/testsuite-74.firstboot.sh
index c3be8f1cf6..92a607501b 100755
--- a/test/units/testsuite-74.firstboot.sh
+++ b/test/units/testsuite-74.firstboot.sh
@@ -143,6 +143,8 @@ diff <(awk -F: '/^root/ { print $2; }' /etc/shadow) <(awk -F: '/^root/ { print $
 rm -fr "$ROOT"
 mkdir -p "$ROOT/bin"
 touch "$ROOT/bin/fooshell" "$ROOT/bin/barshell"
+# Temporarily disable pipefail to avoid `echo: write error: Broken pipe
+set +o pipefail
 # We can do only limited testing here, since it's all an interactive stuff,
 # so --prompt and --prompt-root-password are skipped on purpose
 echo -ne "\nfoo\nbar\n" | systemd-firstboot --root="$ROOT" --prompt-locale
@@ -168,6 +170,8 @@ grep -q "^root:.*:0:0:.*:/bin/fooshell$" "$ROOT/etc/passwd"
 # Now without the welcome screen but with force
 echo -ne "/bin/barshell\n" | systemd-firstboot --root="$ROOT" --force --prompt-root-shell --welcome=no
 grep -q "^root:.*:0:0:.*:/bin/barshell$" "$ROOT/etc/passwd"
+# Re-enable pipefail
+set -o pipefail
 
 # Assorted tests
 rm -fr "$ROOT"