diff --git a/src/crystalProblemsFinder.ts b/src/crystalProblemsFinder.ts
index 32671ed..8e3fd67 100644
--- a/src/crystalProblemsFinder.ts
+++ b/src/crystalProblemsFinder.ts
@@ -34,7 +34,7 @@ export class CrystalProblemsFinder {
 						let diagnostic = new vscode.Diagnostic(range, problem.message, vscode.DiagnosticSeverity.Error)
 						let file: vscode.Uri
 						if (problem.file.length > 0) {
-							if (problem.file.endsWith('.ecr') || problem.file.endsWith('.slang')) {
+							if (!problem.file.endsWith('.cr')) {
 								file = vscode.Uri.file(vscode.workspace.rootPath + '/' + problem.file)
 							} else {
 								file = vscode.Uri.file(problem.file)