diff --git a/buildroot/share/scripts/pinsformat.py b/buildroot/share/scripts/pinsformat.py
index 7b041c86fc..0260d3174e 100755
--- a/buildroot/share/scripts/pinsformat.py
+++ b/buildroot/share/scripts/pinsformat.py
@@ -43,7 +43,7 @@ mexpr = [ re.compile(f'^{m}$') for m in mpatt ]
 ppad = [ 3, 4, 5, 5 ]
 
 # Match a define line
-definePatt = re.compile(rf'^\s*(//)?#define\s+[A-Z_][A-Z0-9_]+\s+({mstr})\s*(//.*)?$')
+definePinPatt = re.compile(rf'^\s*(//)?#define\s+[A-Z_][A-Z0-9_]+?_PIN\s+({mstr})\s*(//.*)?$')
 
 def format_pins(argv):
     src_file = 'stdin'
@@ -93,7 +93,7 @@ def get_pin_pattern(txt):
     # Find the most common matching pattern
     match_threshold = 5
     for line in txt.split('\n'):
-        r = definePatt.match(line)
+        r = definePinPatt.match(line)
         if r == None: continue
         ind = -1
         for p in mexpr: