diff --git a/qurator/dinglehopper/cli.py b/qurator/dinglehopper/cli.py
index 129ce57..5d7f43b 100644
--- a/qurator/dinglehopper/cli.py
+++ b/qurator/dinglehopper/cli.py
@@ -60,8 +60,8 @@ def process(gt, ocr, report_prefix):
 
     char_diff_report = gen_diff_report(gt_text, ocr_text, css_prefix='c', joiner='', none='·', align=align)
 
-    gt_words = words(gt_text)
-    ocr_words = words(ocr_text)
+    gt_words = words_normalized(gt_text)
+    ocr_words = words_normalized(ocr_text)
     word_diff_report = gen_diff_report(gt_words, ocr_words, css_prefix='w', joiner=' ', none='⋯', align=seq_align)
 
     env = Environment(loader=FileSystemLoader(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'templates')))
diff --git a/qurator/dinglehopper/substitute_equivalences.py b/qurator/dinglehopper/substitute_equivalences.py
index 524b1ee..faa873e 100644
--- a/qurator/dinglehopper/substitute_equivalences.py
+++ b/qurator/dinglehopper/substitute_equivalences.py
@@ -36,6 +36,7 @@ def substitute_equivalences(s):
         '\uF50E': 'q́'    # U+F50E LATIN SMALL LETTER Q WITH ACUTE ACCENT
     }
 
+    s = unicodedata.normalize('NFC', s)
     for fr, to in equivalences.items():
         s = s.replace(fr, to)
     return s