diff --git a/src/fr/adrienbrault/idea/symfony2plugin/Symfony2InterfacesUtil.java b/src/fr/adrienbrault/idea/symfony2plugin/Symfony2InterfacesUtil.java
index 661c1efcf..0945a17e0 100644
--- a/src/fr/adrienbrault/idea/symfony2plugin/Symfony2InterfacesUtil.java
+++ b/src/fr/adrienbrault/idea/symfony2plugin/Symfony2InterfacesUtil.java
@@ -2,7 +2,6 @@
 
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
-import com.intellij.psi.util.PsiTreeUtil;
 import com.jetbrains.php.PhpIndex;
 import com.jetbrains.php.lang.psi.elements.Method;
 import com.jetbrains.php.lang.psi.elements.MethodReference;
@@ -59,15 +58,34 @@ protected boolean isCallTo(PsiElement e, Method[] expectedMethods, int deepness)
             return false;
         }
 
-        PhpClass methodClass = PsiTreeUtil.getParentOfType(e, PhpClass.class);
-        if(null == methodClass) {
+        // resolve is also called on invalid php code like "use <xxx>"
+        // so double check the method name before resolve the method
+        if(!isMatchingMethodName(methodRef, expectedMethods)) {
             return false;
         }
 
+        PsiElement resolvedReference = methodRef.getReference().resolve();
+        if (!(resolvedReference instanceof Method)) {
+            return false;
+        }
+
+        Method method = (Method) resolvedReference;
+        PhpClass methodClass = method.getContainingClass();
+
         for (Method expectedMethod : Arrays.asList(expectedMethods)) {
             if (null != expectedMethod
-                && expectedMethod.getName().equals(methodRef.getName())
-                && isInstanceOf(methodClass, expectedMethod.getContainingClass())) {
+                    && expectedMethod.getName().equals(method.getName())
+                    && isInstanceOf(methodClass, expectedMethod.getContainingClass())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    protected boolean isMatchingMethodName(MethodReference methodRef, Method[] expectedMethods) {
+        for (Method expectedMethod : Arrays.asList(expectedMethods)) {
+            if(expectedMethod != null && expectedMethod.getName().equals(methodRef.getName())) {
                 return true;
             }
         }
diff --git a/src/fr/adrienbrault/idea/symfony2plugin/dic/SymfonyContainerTypeProvider.java b/src/fr/adrienbrault/idea/symfony2plugin/dic/SymfonyContainerTypeProvider.java
index fd0b69e47..c3adcda5a 100644
--- a/src/fr/adrienbrault/idea/symfony2plugin/dic/SymfonyContainerTypeProvider.java
+++ b/src/fr/adrienbrault/idea/symfony2plugin/dic/SymfonyContainerTypeProvider.java
@@ -1,7 +1,9 @@
 package fr.adrienbrault.idea.symfony2plugin.dic;
 
 import com.intellij.openapi.project.DumbService;
+import com.intellij.patterns.PlatformPatterns;
 import com.intellij.psi.PsiElement;
+import com.jetbrains.php.lang.parser.PhpElementTypes;
 import com.jetbrains.php.lang.psi.elements.MethodReference;
 import com.jetbrains.php.lang.psi.resolve.types.PhpType;
 import com.jetbrains.php.lang.psi.resolve.types.PhpTypeProvider;
@@ -26,6 +28,22 @@ public PhpType getType(PsiElement e) {
             return null;
         }
 
+        // filter out method calls without parameter
+        // $this->get('service_name')
+        if(!PlatformPatterns.psiElement(PhpElementTypes.METHOD_REFERENCE).withChild(
+                PlatformPatterns.psiElement(PhpElementTypes.PARAMETER_LIST).withFirstChild(
+                        PlatformPatterns.psiElement(PhpElementTypes.STRING))).accepts(e)) {
+
+            return null;
+        }
+
+        // container calls are only on "get" methods
+        // cant we move it up to PlatformPatterns? withName condition dont looks working
+        String methodRefName = ((MethodReference) e).getName();
+        if(methodRefName == null || !methodRefName.equals("get")) {
+            return null;
+        }
+
         depth++;
         if (depth > 2) {
             // Try to avoid too much recursive things ...