diff --git a/source/main.cpp b/source/main.cpp
index ffd2250..1ca022a 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -351,7 +351,7 @@ std::vector<Magick::Image> load_image(Magick::Image &img)
                  static_cast<float>(copy.columns()) / img.columns(),
                  1.0f - (static_cast<float>(copy.rows()) / img.rows())));
     }
-    else
+    else if (process_mode != PROCESS_ATLAS)
     {
       subimage_data.push_back(SubImage(0, "", 0.0f, 1.0f, 1.0f, 0.0f));
     }