diff --git a/base/vulkanexamplebase.h b/base/vulkanexamplebase.h
index 2b6eb03c..14644f6b 100644
--- a/base/vulkanexamplebase.h
+++ b/base/vulkanexamplebase.h
@@ -102,7 +102,7 @@ private:
 	bool resizing = false;
 	void windowResize();
 	void handleMouseMove(int32_t x, int32_t y);
-//	void nextFrame();                               // SRS - make VulkanExampleBase::nextFrame() public
+	void nextFrame();
 	void updateOverlay();
 	void createPipelineCache();
 	void createCommandPool();
@@ -401,9 +401,7 @@ public:
 	/** @brief Presents the current image to the swap chain */
 	void submitFrame();
 	/** @brief (Virtual) Default image acquire + submission and command buffer submission function */
-	void renderFrame();                             // SRS - Don't think this needs to be virtual since render() is virtual
-    /** @brief Draws and advances to the next frame */
-    void nextFrame();                               // SRS - make VulkanExampleBase::nextFrame() public
+	virtual void renderFrame();
 
 	/** @brief (Virtual) Called when the UI overlay is updating, can be used to add custom elements to the overlay */
 	virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay);
diff --git a/xcode/MVKExample.cpp b/xcode/MVKExample.cpp
index 5b00eacc..4ecf8f3e 100644
--- a/xcode/MVKExample.cpp
+++ b/xcode/MVKExample.cpp
@@ -13,8 +13,8 @@ void MVKExample::renderFrame() {
     _vulkanExample->renderFrame();
 }
 
-void MVKExample::nextFrame() {                      // SRS - expose VulkanExampleBase::nextFrame() to DemoViewController
-    _vulkanExample->nextFrame();
+void MVKExample::displayLinkOutputCb() {            // SRS - expose VulkanExampleBase::displayLinkOutputCb() to DemoViewController
+    _vulkanExample->displayLinkOutputCb();
 }
 
 void MVKExample::keyPressed(uint32_t keyCode) {
diff --git a/xcode/MVKExample.h b/xcode/MVKExample.h
index dd03e713..f926d529 100644
--- a/xcode/MVKExample.h
+++ b/xcode/MVKExample.h
@@ -14,7 +14,7 @@ class MVKExample {
 
 public:
     void renderFrame();
-    void nextFrame();                               // SRS - expose VulkanExampleBase::nextFrame() to DemoViewController
+    void displayLinkOutputCb();                     // SRS - expose VulkanExampleBase::displayLinkOutputCb() to DemoViewController
     void keyPressed(uint32_t keyCode);
 
     MVKExample(void* view);
diff --git a/xcode/macos/DemoViewController.mm b/xcode/macos/DemoViewController.mm
index f08ded77..15f7dbc0 100644
--- a/xcode/macos/DemoViewController.mm
+++ b/xcode/macos/DemoViewController.mm
@@ -22,7 +22,7 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink,
                                     CVOptionFlags* flagsOut,
                                     void* target) {
     //((MVKExample*)target)->renderFrame();
-    ((MVKExample*)target)->nextFrame();             // SRS - Call MVKExample::nextFrame() to animate frames vs. MVKExample::renderFrame() for static image
+    ((MVKExample*)target)->displayLinkOutputCb();   // SRS - Call MVKExample::displayLinkOutputCb() to animate frames vs. MVKExample::renderFrame() for static image
     return kCVReturnSuccess;
 }