diff --git a/main.cpp b/main.cpp
index dcf8a85..bb5698f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -168,6 +168,7 @@ int main(int argc, char* argv[])
     std::atexit(TerminateDSP);
 
     bool exit = false;
+    bool update = true;
     while(!exit && !glfwWindowShouldClose(window)) {
         glfwPollEvents();
         glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
@@ -177,7 +178,7 @@ int main(int argc, char* argv[])
         #if defined(GL_UNPACK_ROW_LENGTH) && !defined(__EMSCRIPTEN__)
         glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
         #endif
-        {
+        if(update) {
             std::lock_guard<std::mutex> guard(waterfall_data_mutex);
             glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, waterfall_width, waterfall_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, waterfall_data);
         }
@@ -195,6 +196,7 @@ int main(int argc, char* argv[])
         ImGui::TableSetupColumn("", 0, 280.0);
         ImGui::TableSetupColumn("", 0, 1000.0);
         ImGui::TableNextColumn();
+        ImGui::Checkbox("Update", &update);
         if(ImGui::Button("Exit"))
             exit = true;
         ImGui::Text("FPS: %d", (int)fps);