diff --git a/demo/src/Bindings.cpp b/demo/src/Bindings.cpp
index 562ff65..6ff92fd 100644
--- a/demo/src/Bindings.cpp
+++ b/demo/src/Bindings.cpp
@@ -228,12 +228,14 @@ QVariant FibonacciList::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 1:
             return QVariant::fromValue(row(index.row()));
         }
+        break;
     case 1:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 0:
             return QVariant::fromValue(fibonacciNumber(index.row()));
         }
+        break;
     }
     return QVariant();
 }
@@ -471,30 +473,35 @@ QVariant FileSystemTree::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 5:
             return QVariant::fromValue(fileType(index));
         }
+        break;
     case 1:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 4:
             return fileSize(index);
         }
+        break;
     case 2:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 2:
             return cleanNullQVariant(QVariant::fromValue(filePath(index)));
         }
+        break;
     case 3:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 3:
             return QVariant::fromValue(filePermissions(index));
         }
+        break;
     case 4:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 5:
             return QVariant::fromValue(fileType(index));
         }
+        break;
     }
     return QVariant();
 }
@@ -743,18 +750,21 @@ QVariant Processes::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 6:
             return QVariant::fromValue(uid(index));
         }
+        break;
     case 1:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 2:
             return QVariant::fromValue(cpuUsage(index));
         }
+        break;
     case 2:
         switch (role) {
         case Qt::DisplayRole:
         case Qt::UserRole + 3:
             return QVariant::fromValue(memory(index));
         }
+        break;
     }
     return QVariant();
 }
@@ -965,6 +975,7 @@ QVariant TimeSeries::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 2:
             return QVariant::fromValue(time(index.row()));
         }
+        break;
     case 1:
         switch (role) {
         case Qt::DisplayRole:
@@ -972,6 +983,7 @@ QVariant TimeSeries::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 1:
             return QVariant::fromValue(sin(index.row()));
         }
+        break;
     case 2:
         switch (role) {
         case Qt::DisplayRole:
@@ -979,6 +991,7 @@ QVariant TimeSeries::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 0:
             return QVariant::fromValue(cos(index.row()));
         }
+        break;
     }
     return QVariant();
 }
diff --git a/src/cpp.cpp b/src/cpp.cpp
index 34f660d..3e09321 100644
--- a/src/cpp.cpp
+++ b/src/cpp.cpp
@@ -483,7 +483,7 @@ Qt::ItemFlags %1::flags(const QModelIndex &i) const
                 cpp << QString("            return QVariant::fromValue(%1(index%2));\n").arg(ip.name, ii);
             }
         }
-        cpp << "        }\n";
+        cpp << "        }\n        break;\n";
     }
     cpp << "    }\n    return QVariant();\n}\n\n";
     cpp << "int " << o.name << "::role(const char* name) const {\n";
diff --git a/tests/test_list_rust.cpp b/tests/test_list_rust.cpp
index 758e5fd..96ce2ff 100644
--- a/tests/test_list_rust.cpp
+++ b/tests/test_list_rust.cpp
@@ -151,6 +151,7 @@ QVariant NoRole::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 1:
             return QVariant::fromValue(userName(index.row()));
         }
+        break;
     }
     return QVariant();
 }
@@ -327,6 +328,7 @@ QVariant Persons::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 0:
             return QVariant::fromValue(userName(index.row()));
         }
+        break;
     }
     return QVariant();
 }
diff --git a/tests/test_list_types_rust.cpp b/tests/test_list_types_rust.cpp
index d202492..5c53df4 100644
--- a/tests/test_list_types_rust.cpp
+++ b/tests/test_list_types_rust.cpp
@@ -482,6 +482,7 @@ QVariant List::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 15:
             return QVariant::fromValue(u8(index.row()));
         }
+        break;
     }
     return QVariant();
 }
diff --git a/tests/test_tree_rust.cpp b/tests/test_tree_rust.cpp
index 4d747a5..375aa2d 100644
--- a/tests/test_tree_rust.cpp
+++ b/tests/test_tree_rust.cpp
@@ -179,6 +179,7 @@ QVariant Persons::data(const QModelIndex &index, int role) const
         case Qt::UserRole + 0:
             return QVariant::fromValue(userName(index));
         }
+        break;
     }
     return QVariant();
 }