diff --git a/duchain/expressionvisitor.cpp b/duchain/expressionvisitor.cpp
--- a/duchain/expressionvisitor.cpp
+++ b/duchain/expressionvisitor.cpp
@@ -395,7 +395,13 @@
     if ( type ) {
         foreach ( ExpressionAst* content, node->elements ) {
             contentVisitor.visitNode(content);
-            type->addContentType<Python::UnsureType>(contentVisitor.lastType());
+            if ( content->astType == Ast::StarredAstType ) {
+                auto contentType = Helper::contentOfIterable(contentVisitor.lastType(), topContext());
+                type->addContentType<Python::UnsureType>(contentType);
+            }
+            else {
+                type->addContentType<Python::UnsureType>(contentVisitor.lastType());
+            }
         }
     }
     else {
@@ -519,7 +525,13 @@
     if ( type ) {
         foreach ( ExpressionAst* content, node->elements ) {
             contentVisitor.visitNode(content);
-            type->addContentType<Python::UnsureType>(contentVisitor.lastType());
+            if ( content->astType == Ast::StarredAstType ) {
+                auto contentType = Helper::contentOfIterable(contentVisitor.lastType(), topContext());
+                type->addContentType<Python::UnsureType>(contentType);
+            }
+            else {
+                type->addContentType<Python::UnsureType>(contentVisitor.lastType());
+            }
         }
     }
     encounter(AbstractType::Ptr::staticCast(type));
diff --git a/duchain/tests/pyduchaintest.cpp b/duchain/tests/pyduchaintest.cpp
--- a/duchain/tests/pyduchaintest.cpp
+++ b/duchain/tests/pyduchaintest.cpp
@@ -1474,12 +1474,14 @@
     QTest::addColumn<QString>("code");
     QTest::addColumn<QString>("contenttype");
     QTest::addColumn<bool>("use_type");
-    
+
     QTest::newRow("list_of_int") << "checkme = [1, 2, 3]" << "int" << false;
+    QTest::newRow("list_from_unpacked") << "foo = [1.3]\ncheckme = [1, *foo, 3]" << "unsure (int, float)" << false;
     QTest::newRow("list_of_int_call") << "checkme = list([1, 2, 3])" << "int" << false;
     QTest::newRow("generator") << "checkme = [i for i in [1, 2, 3]]" << "int" << false;
     QTest::newRow("list_access") << "list = [1, 2, 3]\ncheckme = list[0]" << "int" << true;
     QTest::newRow("set_of_int") << "checkme = {1, 2, 3}" << "int" << false;
+    QTest::newRow("set_from_unpacked") << "foo = [1.3]\ncheckme = {1, *foo, 3}" << "unsure (int, float)" << false;
     QTest::newRow("set_of_int_call") << "checkme = set({1, 2, 3})" << "int" << false;
     QTest::newRow("set_generator") << "checkme = {i for i in [1, 2, 3]}" << "int" << false;
     QTest::newRow("dict_of_int") << "checkme = {a:1, b:2, c:3}" << "int" << false;