diff --git a/src/processor/AliasProcessor.ts b/src/processor/AliasProcessor.ts
index 1c5986a9..72ea8678 100644
--- a/src/processor/AliasProcessor.ts
+++ b/src/processor/AliasProcessor.ts
@@ -8,7 +8,7 @@ import { InputStream, CommonTokenStream } from 'antlr4';
 import FSHLexer from 'fsh-sushi/dist/import/generated/FSHLexer';
 import FSHParser from 'fsh-sushi/dist/import/generated/FSHParser';
 
-const aliasRegex = /^\$?[a-zA-z0-9_\-\.]*$/;
+const aliasRegex = /^\$?[a-zA-z0-9_\-\.]+$/;
 
 export class AliasProcessor {
   static process(aliasFile: string): ExportableAlias[] {