diff --git a/src/services/code-index/shared/supported-extensions.ts b/src/services/code-index/shared/supported-extensions.ts
index 80dd7102ff..c7c7b54a25 100644
--- a/src/services/code-index/shared/supported-extensions.ts
+++ b/src/services/code-index/shared/supported-extensions.ts
@@ -22,6 +22,9 @@ 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
+	".p", // OpenEdge ABL - no dedicated WASM parser
+	".i", // OpenEdge ABL include file - no dedicated WASM parser
+	".w", // OpenEdge ABL window file - no dedicated WASM parser
 ]
 
 /**
diff --git a/src/services/tree-sitter/index.ts b/src/services/tree-sitter/index.ts
index 145ba84730..22aaf19156 100644
--- a/src/services/tree-sitter/index.ts
+++ b/src/services/tree-sitter/index.ts
@@ -91,6 +91,10 @@ const extensions = [
 	"erb",
 	// Visual Basic .NET
 	"vb",
+	// OpenEdge ABL
+	"p",
+	"i",
+	"w",
 ].map((e) => `.${e}`)
 
 export { extensions }