diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
index 39dd86f9b1d..5082d23cf0d 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
@@ -4636,4 +4636,12 @@ public class AST2Tests extends AST2BaseTest {
 		parseAndCheckBindings(code, ParserLanguage.CPP);
 	}	
 	
+    
+    // int f(x) {
+    //    return 0;
+    // }
+    public void testBug228422_noKnrParam() throws Exception {
+    	StringBuffer buffer = getContents(1)[0];
+    	parse(buffer.toString(), ParserLanguage.C, false );
+    }
 }