diff --git a/src/citra_qt/debugger/graphics_vertex_shader.cpp b/src/citra_qt/debugger/graphics_vertex_shader.cpp
index 14d3f8f39..074418821 100644
--- a/src/citra_qt/debugger/graphics_vertex_shader.cpp
+++ b/src/citra_qt/debugger/graphics_vertex_shader.cpp
@@ -34,7 +34,7 @@ int GraphicsVertexShaderModel::columnCount(const QModelIndex& parent) const {
 }
 
 int GraphicsVertexShaderModel::rowCount(const QModelIndex& parent) const {
-    return info.code.size();
+    return static_cast<int>(info.code.size());
 }
 
 QVariant GraphicsVertexShaderModel::headerData(int section, Qt::Orientation orientation, int role) const {