diff --git a/src/providers/signatureHelp.ts b/src/providers/signatureHelp.ts
index 420d578c..469a5589 100644
--- a/src/providers/signatureHelp.ts
+++ b/src/providers/signatureHelp.ts
@@ -19,6 +19,7 @@ import { hasInFacts } from '../utils/facts';
 
 // RegExp's
 const reNestedParenthesis = /\(([\w-]+)\(/;
+const reSymbolName = /[\w-]+$/;
 
 interface IMixinEntry {
 	name: string;
@@ -52,7 +53,8 @@ function getSymbolName(text: string): string {
 				token = tokens[pos];
 
 				if (token[0] === 'word' && !hasInFacts(token[1])) {
-					return token[1] || null;
+					const match = reSymbolName.exec(token[1]);
+					return match ? match[0] : null;
 				}
 			}
 		} else if (token[0] === ')') {
diff --git a/src/test/providers/signatureHelp.spec.ts b/src/test/providers/signatureHelp.spec.ts
index de643d2a..933e9cc7 100644
--- a/src/test/providers/signatureHelp.spec.ts
+++ b/src/test/providers/signatureHelp.spec.ts
@@ -182,6 +182,14 @@ describe('Providers/SignatureHelp - parseArgumentsAtLine for Functions', () => {
 		assert.ok(signatures[0].label.startsWith('make'), 'name');
 	});
 
+	it('Single-line Function reference', () => {
+		const doc = makeDocument('content: make()+make(');
+		const signatures = doSignatureHelp(doc, 21, cache, settings).signatures;
+
+		assert.equal(signatures.length, 1, 'length');
+		assert.ok(signatures[0].label.startsWith('make'), 'name');
+	});
+
 	it('Inside another uncompleted function', () => {
 		const doc = makeDocument('content: attr(make(');
 		const signatures = doSignatureHelp(doc, 19, cache, settings).signatures;