diff --git a/src/citra_qt/debugger/graphics_vertex_shader.cpp b/src/citra_qt/debugger/graphics_vertex_shader.cpp
index f01be71ccb..d48b3294b3 100644
--- a/src/citra_qt/debugger/graphics_vertex_shader.cpp
+++ b/src/citra_qt/debugger/graphics_vertex_shader.cpp
@@ -518,6 +518,8 @@ void GraphicsVertexShaderWidget::OnResumed() {
 
 void GraphicsVertexShaderWidget::OnInputAttributeChanged(int index) {
     float value = input_data[index]->text().toFloat();
+    input_vertex.attr[index / 4][index % 4] = Pica::float24::FromFloat32(value);
+    // Re-execute shader with updated value
     Reload();
 }