diff --git a/common/glfw_view.cpp b/common/glfw_view.cpp
index 3ef7bc36a..e03b5ed2f 100644
--- a/common/glfw_view.cpp
+++ b/common/glfw_view.cpp
@@ -204,6 +204,8 @@ namespace platform {
 double elapsed() { return glfwGetTime(); }
 
 void show_debug_image(std::string name, const char *data, size_t width, size_t height) {
+    glfwInit();
+
     static GLFWwindow *debug_window = nullptr;
     if (!debug_window) {
         debug_window = glfwCreateWindow(width, height, name.c_str(), nullptr, nullptr);
@@ -233,6 +235,8 @@ void show_debug_image(std::string name, const char *data, size_t width, size_t h
 
 
 void show_color_debug_image(std::string name, const char *data, size_t logical_width, size_t logical_height, size_t width, size_t height) {
+    glfwInit();
+
     static GLFWwindow *debug_window = nullptr;
     if (!debug_window) {
         debug_window = glfwCreateWindow(logical_width, logical_height, name.c_str(), nullptr, nullptr);
diff --git a/src/geometry/sprite_atlas.cpp b/src/geometry/sprite_atlas.cpp
index 4f05df620..1c6afcd30 100644
--- a/src/geometry/sprite_atlas.cpp
+++ b/src/geometry/sprite_atlas.cpp
@@ -203,7 +203,7 @@ void SpriteAtlas::update(const Sprite &sprite) {
         Rect<dimension> dst = atlas.getImage(name, sprite);
         const SpritePosition &src = sprite.getSpritePosition(name);
         if (src.width == dst.w * atlas.pixelRatio && src.height == dst.h * atlas.pixelRatio && src.pixelRatio == atlas.pixelRatio) {
-            // atlas.copy(dst, src, sprite);
+            atlas.copy(dst, src, sprite);
             return true;
         } else {
             fprintf(stderr, "sprite icon dimension mismatch\n");