diff --git a/test/integration/test-cases/issue-2515.sh b/test/integration/test-cases/issue-2515.sh
index a8040147..86660ef8 100644
--- a/test/integration/test-cases/issue-2515.sh
+++ b/test/integration/test-cases/issue-2515.sh
@@ -24,14 +24,27 @@ ${helmfile} -f ${issue_2515_case_dir}/input/helmfile.yaml \
     --output-dir-template "${issue_2515_output_dir}/{{.Release.Name}}" \
     &> ${issue_2515_tmp}/log || fail "helmfile template should not fail"
 
-issue_2515_templates_dir="${issue_2515_output_dir}/issue-2515/templates"
-if [ ! -d "${issue_2515_templates_dir}" ]; then
-    fail "Expected templates directory ${issue_2515_templates_dir} to exist"
-fi
-
-issue_2515_output_file=$(find "${issue_2515_templates_dir}" -type f \( -name '*.yaml' -o -name '*.yml' \) | head -n 1)
-if [ -z "${issue_2515_output_file}" ]; then
-    fail "Expected rendered YAML file under ${issue_2515_templates_dir}"
+if [ "${HELMFILE_HELM4}" = "1" ]; then
+    # Helm 4 natively applies --post-renderer to --output-dir output.
+    # The directory structure may differ from Helm 3 (no guaranteed templates/ subdir),
+    # so search recursively for any YAML file. Fall back to stdout (log) if no files written.
+    issue_2515_output_file=$(find "${issue_2515_output_dir}" -type f \( -name '*.yaml' -o -name '*.yml' \) 2>/dev/null | head -n 1)
+    if [ -z "${issue_2515_output_file}" ]; then
+        # Helm 4 may write post-rendered output to stdout rather than files
+        issue_2515_output_file="${issue_2515_tmp}/log"
+        if ! grep -q "postrendered" "${issue_2515_output_file}"; then
+            fail "Expected post-rendered YAML (namespace postrendered) in output files under ${issue_2515_output_dir} or stdout. Dir: $(find ${issue_2515_output_dir} 2>/dev/null || echo 'not found'). Log: $(cat ${issue_2515_output_file})"
+        fi
+    fi
+else
+    issue_2515_templates_dir="${issue_2515_output_dir}/issue-2515/templates"
+    if [ ! -d "${issue_2515_templates_dir}" ]; then
+        fail "Expected templates directory ${issue_2515_templates_dir} to exist"
+    fi
+    issue_2515_output_file=$(find "${issue_2515_templates_dir}" -type f \( -name '*.yaml' -o -name '*.yml' \) | head -n 1)
+    if [ -z "${issue_2515_output_file}" ]; then
+        fail "Expected rendered YAML file under ${issue_2515_templates_dir}"
+    fi
 fi
 
 if grep -q "original-cm" "${issue_2515_output_file}"; then