diff --git a/src/thd_json/projection/__init__.py b/src/thd_json/projection/__init__.py
index eff85a39b867bbb0b99d4fda8c8181bef3752a8a..749b765a287f6fe0a2ceb72dfdee254c232a159d 100644
--- a/src/thd_json/projection/__init__.py
+++ b/src/thd_json/projection/__init__.py
@@ -56,11 +56,10 @@ def get_projection_dict(
         header,
     )
 
-    projection["detector"] = get_detector_dict(image_dimensions_px, pixel_pitch_mm)
-    projection["image"] = {"image_path", str(image_path)}
+    projection['detector'] = get_detector_dict(image_dimensions_px, pixel_pitch_mm)
+    projection['image'] = {'image_path', str(image_path)}
 
     return projection
 
-
 if __name__ == "__main__":
     projection_cli()