diff --git a/src/main/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZero.scala b/src/main/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZero.scala
index ec14c577..fbb59cc7 100644
--- a/src/main/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZero.scala
+++ b/src/main/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZero.scala
@@ -25,9 +25,9 @@ class AvoidSizeNotEqualsZero
           override def inspect(tree: Tree): Unit = {
             tree match {
               case Apply(
-                    Select(Select(_, Length | Size), TermName("$bang$eq") | TermName("$greater")),
+                    Select(Select(q, Length | Size), TermName("$bang$eq") | TermName("$greater")),
                     List(Literal(Constant(0)))
-                  ) =>
+                  ) if isTraversable(q) =>
                 context.warn(tree.pos, self, tree.toString.take(100))
               case _ => continue(tree)
             }
diff --git a/src/test/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZeroTest.scala b/src/test/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZeroTest.scala
index f9d74e19..704f3792 100644
--- a/src/test/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZeroTest.scala
+++ b/src/test/scala/com/sksamuel/scapegoat/inspections/collections/AvoidSizeNotEqualsZeroTest.scala
@@ -25,5 +25,17 @@ class AvoidSizeNotEqualsZeroTest extends InspectionTest {
       compileCodeSnippet(code)
       compiler.scapegoat.feedback.warnings.size shouldBe 10
     }
+    // github issue #414
+    "should ignore durations" in {
+      val code = """object Test {
+                   |case class Duration(start: Long, stop: Long) {
+                   |  def length: Long = stop - start
+                   |  def nonEmpty: Boolean = length > 0
+                   |  }
+                    } """.stripMargin
+
+      compileCodeSnippet(code)
+      compiler.scapegoat.feedback.warnings.size shouldBe 0
+    }
   }
 }