diff --git a/plugins/org.eclipse.xtext.junit4/src/org/eclipse/xtext/junit4/parameterized/XpectParameterProvider.java b/plugins/org.eclipse.xtext.junit4/src/org/eclipse/xtext/junit4/parameterized/XpectParameterProvider.java
index ff153a6ea..fc60a0358 100644
--- a/plugins/org.eclipse.xtext.junit4/src/org/eclipse/xtext/junit4/parameterized/XpectParameterProvider.java
+++ b/plugins/org.eclipse.xtext.junit4/src/org/eclipse/xtext/junit4/parameterized/XpectParameterProvider.java
@@ -173,7 +173,7 @@ public class XpectParameterProvider implements IParameterProvider {
 
 	protected static final Pattern WS = Pattern.compile("^[\\s]+");
 
-	protected static Pattern XPECT_PATTERN = Pattern.compile("(\\S)?XPECT(_CLASS|_IMPORT)?\\s*([a-zA-Z0-9]+)");
+	protected static Pattern XPECT_PATTERN = Pattern.compile("(\\S)?XPECT(_CLASS|_IMPORT)?\\s+([a-zA-Z0-9]*)");
 
 	public void collectParameters(Class<?> testClass, XtextResource resource, IParameterAcceptor acceptor) {
 		collectTestMethods(testClass, resource, acceptor);