diff --git a/klausur-service/backend/cv_vocab_pipeline.py b/klausur-service/backend/cv_vocab_pipeline.py
index 36fe9ed..cad6ce5 100644
--- a/klausur-service/backend/cv_vocab_pipeline.py
+++ b/klausur-service/backend/cv_vocab_pipeline.py
@@ -1630,9 +1630,10 @@ def detect_column_geometry(ocr_img: np.ndarray, dewarped_bgr: np.ndarray) -> Opt
     for i, start_x in enumerate(col_starts):
         if i + 1 < len(col_starts):
             next_start = col_starts[i + 1]
-        elif is_right_margin:
-            next_start = left_x + right_boundary
         else:
+            # Rightmost column always extends to content right edge.
+            # There is nothing to the right of the last column except page margin,
+            # so there is no reason to end earlier.
             next_start = right_x
 
         col_left_rel = start_x - left_x
@@ -1651,9 +1652,9 @@ def detect_column_geometry(ocr_img: np.ndarray, dewarped_bgr: np.ndarray) -> Opt
     for i, start_x in enumerate(col_starts):
         if i + 1 < len(col_starts):
             end_x = col_starts[i + 1]
-        elif is_right_margin:
-            end_x = left_x + right_boundary
         else:
+            # Rightmost column always extends to content right edge (right_x).
+            # Page margin detection may underestimate — extend fully so no text is cropped.
             end_x = right_x
         all_boundaries.append((start_x, end_x))