diff --git a/src/services/tocs.ts b/src/services/tocs.ts
index ef188559..b414f534 100644
--- a/src/services/tocs.ts
+++ b/src/services/tocs.ts
@@ -50,7 +50,7 @@ async function add(path: string) {
         ...vars,
     };
 
-    if (typeof parsedToc.title === 'string') {
+    if (parsedToc.title) {
         parsedToc.title = firstFilterTextItems(
             parsedToc.title,
             combinedVars,
diff --git a/tests/e2e/include-toc.test.ts b/tests/e2e/include-toc.test.ts
index da276966..f669a8ed 100644
--- a/tests/e2e/include-toc.test.ts
+++ b/tests/e2e/include-toc.test.ts
@@ -50,4 +50,29 @@ describe('Include toc', () => {
             expect(expectedContent).toEqual(outputContent);
         }
     });
+
+    test('Toc with expressions', () => {
+        const testRootPath = 'mocks/include-toc/test4';
+        const {inputPath, outputPath, expectedOutputPath} = getTestPaths(testRootPath);
+
+        const vars = {
+            type: 'a',
+            a: 'A',
+            b: 'B',
+        };
+
+        runYfmDocs(inputPath, outputPath, {
+            args: `--vars="${JSON.stringify(vars).replace(/(")/g, '\\$1')}"`,
+        });
+
+        const compareResult = compareDirectories(outputPath, expectedOutputPath);
+
+        if (typeof compareResult === 'boolean') {
+            expect(true).toEqual(compareResult);
+        } else {
+            const {expectedContent, outputContent} = compareResult;
+
+            expect(expectedContent).toEqual(outputContent);
+        }
+    });
 });
diff --git a/tests/mocks/include-toc/test4/expected-output/a1.md b/tests/mocks/include-toc/test4/expected-output/a1.md
new file mode 100644
index 00000000..ec2a6cff
--- /dev/null
+++ b/tests/mocks/include-toc/test4/expected-output/a1.md
@@ -0,0 +1 @@
+This is the /a1.md file content.
diff --git a/tests/mocks/include-toc/test4/expected-output/index.yaml b/tests/mocks/include-toc/test4/expected-output/index.yaml
new file mode 100644
index 00000000..d9ac6a5f
--- /dev/null
+++ b/tests/mocks/include-toc/test4/expected-output/index.yaml
@@ -0,0 +1,9 @@
+title: Title A
+description:
+  - Desc A
+meta:
+  title: Meta A
+links:
+  - title: A1
+    description: A1 desc
+    href: a1
diff --git a/tests/mocks/include-toc/test4/expected-output/toc.yaml b/tests/mocks/include-toc/test4/expected-output/toc.yaml
new file mode 100644
index 00000000..fd3fa268
--- /dev/null
+++ b/tests/mocks/include-toc/test4/expected-output/toc.yaml
@@ -0,0 +1,6 @@
+title: Title A
+href: index.yaml
+items:
+  - name: A1
+    href: a1.md
+base: .
diff --git a/tests/mocks/include-toc/test4/input/a1.md b/tests/mocks/include-toc/test4/input/a1.md
new file mode 100644
index 00000000..ec2a6cff
--- /dev/null
+++ b/tests/mocks/include-toc/test4/input/a1.md
@@ -0,0 +1 @@
+This is the /a1.md file content.
diff --git a/tests/mocks/include-toc/test4/input/index.yaml b/tests/mocks/include-toc/test4/input/index.yaml
new file mode 100644
index 00000000..8b20bb3c
--- /dev/null
+++ b/tests/mocks/include-toc/test4/input/index.yaml
@@ -0,0 +1,20 @@
+title:
+  - text: "Title {% if type == 'a' %}{{ a }}{% else %}{{ b }}{% endif %}"
+    when: type == "a"
+  - text: "Title {% if type == 'a' %}{{ a }}{% else %}{{ b }}{% endif %}"
+    when: type == "b"
+description:
+  - text: "Desc {{ a }}"
+    when: type == "a"
+  - text: "Desc {{ b }}"
+    when: type == "b"
+meta:
+  title:
+    - text: "Meta {{ a }}"
+      when: type == "a"
+    - text: "Meta {{ b }}"
+      when: type == "b"
+links:
+  - title: A1
+    description: A1 desc
+    href: a1
diff --git a/tests/mocks/include-toc/test4/input/toc.yaml b/tests/mocks/include-toc/test4/input/toc.yaml
new file mode 100644
index 00000000..f74cb826
--- /dev/null
+++ b/tests/mocks/include-toc/test4/input/toc.yaml
@@ -0,0 +1,9 @@
+title:
+  - text: "Title {% if type == 'a' %}{{ a }}{% else %}{{ b }}{% endif %}"
+    when: type == "a"
+  - text: "Title {% if type == 'a' %}{{ a }}{% else %}{{ b }}{% endif %}"
+    when: type == "b"
+href: index.yaml
+items:
+  - name: A1
+    href: a1.md