diff --git a/src/services/code-index/processors/__tests__/parser.vb.spec.ts b/src/services/code-index/processors/__tests__/parser.vb.spec.ts
index 95fd73cc9a5..7f00a44b42f 100644
--- a/src/services/code-index/processors/__tests__/parser.vb.spec.ts
+++ b/src/services/code-index/processors/__tests__/parser.vb.spec.ts
@@ -242,6 +242,7 @@ describe("Fallback Extensions Configuration", () => {
 		expect(shouldUseFallbackChunking(".vb")).toBe(true)
 		expect(shouldUseFallbackChunking(".scala")).toBe(true)
 		expect(shouldUseFallbackChunking(".swift")).toBe(true)
+		expect(shouldUseFallbackChunking(".al")).toBe(true)
 
 		// Extensions that should not use fallback (have working parsers)
 		expect(shouldUseFallbackChunking(".js")).toBe(false)
@@ -258,5 +259,7 @@ describe("Fallback Extensions Configuration", () => {
 		expect(shouldUseFallbackChunking(".Vb")).toBe(true)
 		expect(shouldUseFallbackChunking(".SCALA")).toBe(true)
 		expect(shouldUseFallbackChunking(".Scala")).toBe(true)
+		expect(shouldUseFallbackChunking(".AL")).toBe(true)
+		expect(shouldUseFallbackChunking(".Al")).toBe(true)
 	})
 })
diff --git a/src/services/code-index/shared/supported-extensions.ts b/src/services/code-index/shared/supported-extensions.ts
index 80dd7102fff..71becb843ae 100644
--- a/src/services/code-index/shared/supported-extensions.ts
+++ b/src/services/code-index/shared/supported-extensions.ts
@@ -22,6 +22,7 @@ export const fallbackExtensions = [
 	".vb", // Visual Basic .NET - no dedicated WASM parser
 	".scala", // Scala - uses fallback chunking instead of Lua query workaround
 	".swift", // Swift - uses fallback chunking due to parser instability
+	".al", // AL Language (Dynamics 365 Business Central) - no dedicated WASM parser
 ]
 
 /**
diff --git a/src/services/tree-sitter/index.ts b/src/services/tree-sitter/index.ts
index 145ba847308..fd17d91c634 100644
--- a/src/services/tree-sitter/index.ts
+++ b/src/services/tree-sitter/index.ts
@@ -91,6 +91,8 @@ const extensions = [
 	"erb",
 	// Visual Basic .NET
 	"vb",
+	// AL Language
+	"al",
 ].map((e) => `.${e}`)
 
 export { extensions }