diff --git a/financial-analysis/skills/check-deck/scripts/extract_numbers.py b/financial-analysis/skills/check-deck/scripts/extract_numbers.py
index 4d30502..2a3ad74 100755
--- a/financial-analysis/skills/check-deck/scripts/extract_numbers.py
+++ b/financial-analysis/skills/check-deck/scripts/extract_numbers.py
@@ -121,7 +121,7 @@ def extract_numbers(content: str) -> list[NumberInstance]:
         r'\s*'
         r'(?P<unit>%|bps|x|'  # Common units
         r'[Tt]rillion|[Bb]illion|[Mm]illion|[Tt]housand|'  # Full words
-        r'[TBMKtbmk]n?|mm|MM)?'  # Abbreviations
+        r'mm|MM|[TBMKtbmk]n?)?'  # Abbreviations (mm/MM before char class so 'mm' isn't split)
         r'(?!\d)'  # Negative lookahead to avoid partial matches
     )