diff --git a/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/QtMethodReference.java b/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/QtMethodReference.java
index 42afecd5ae0..5501383f5fe 100644
--- a/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/QtMethodReference.java
+++ b/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/QtMethodReference.java
@@ -9,6 +9,7 @@ package org.eclipse.cdt.internal.qt.core;
 
 import java.util.regex.Matcher;
 
+import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
 import org.eclipse.cdt.core.dom.ast.IASTMacroExpansionLocation;
 import org.eclipse.cdt.core.dom.ast.IASTName;
@@ -23,6 +24,11 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics;
 import org.eclipse.cdt.internal.qt.core.pdom.ASTNameReference;
 import org.eclipse.cdt.internal.qt.core.pdom.QtASTImageLocation;
 import org.eclipse.cdt.qt.core.QtKeywords;
+import org.eclipse.cdt.qt.core.QtPlugin;
+import org.eclipse.cdt.qt.core.index.IQMethod;
+import org.eclipse.cdt.qt.core.index.IQObject;
+import org.eclipse.cdt.qt.core.index.QtIndex;
+import org.eclipse.core.resources.IProject;
 
 /**
  * Qt signals and slots are referenced using the SIGNAL and SLOT macros.  The expansion
@@ -164,6 +170,37 @@ public class QtMethodReference extends ASTNameReference {
 		return expansionParam.toCharArray();
 	}
 
+	private IQObject findQObject() {
+		String[] qualName = null;
+		try {
+			qualName = cls.getQualifiedName();
+		} catch(DOMException e) {
+			QtPlugin.log(e);
+		}
+
+		IProject project = ASTUtil.getProject(delegate);
+		if (project == null)
+			return null;
+
+		QtIndex qtIndex = QtIndex.getIndex(project);
+		if (qtIndex == null)
+			return null;
+
+		return qtIndex.findQObject(qualName);
+	}
+
+	public IQMethod getMethod() {
+		IQObject qobj = findQObject();
+		if (qobj == null)
+			return null;
+
+		// Return the first matching method.
+		for(IQMethod method : ASTUtil.findMethods(qobj, this))
+			return method;
+
+		return null;
+	}
+
 	@Override
 	public IBinding resolveBinding() {
 		if (binding != null)
diff --git a/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/codan/QtSyntaxChecker.java b/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/codan/QtSyntaxChecker.java
index 88002c9277d..b582aeb8047 100644
--- a/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/codan/QtSyntaxChecker.java
+++ b/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/internal/qt/core/codan/QtSyntaxChecker.java
@@ -18,12 +18,12 @@ import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
-import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.internal.qt.core.ASTUtil;
 import org.eclipse.cdt.internal.qt.core.QtFunctionCall;
 import org.eclipse.cdt.internal.qt.core.QtMethodReference;
 import org.eclipse.cdt.qt.core.QtNature;
 import org.eclipse.cdt.qt.core.QtPlugin;
+import org.eclipse.cdt.qt.core.index.IQMethod;
 import org.eclipse.osgi.util.NLS;
 
 /**
@@ -69,8 +69,8 @@ public class QtSyntaxChecker extends AbstractIndexAstChecker implements IChecker
 			Collection<QtMethodReference> refs = QtFunctionCall.getReferences(fncall);
 			if (refs != null)
 				for(QtMethodReference ref : refs) {
-					IBinding binding = ref.resolveBinding();
-					if (binding != null)
+					IQMethod method = ref.getMethod();
+					if (method != null)
 						continue;
 
 					// Either the macro expansion didn't have an argument, or the argument was not a valid method.