diff --git a/ext/binutils-gdb/encoding.py b/ext/binutils-gdb/encoding.py
index 14c43dd9e..76cecdf77 100644
--- a/ext/binutils-gdb/encoding.py
+++ b/ext/binutils-gdb/encoding.py
@@ -324,15 +324,13 @@ def main():
 
         if success_encodings:
             for class_, encoding in success_encodings:
-                if success_encodings:
-                    for class_, encoding in success_encodings:
-                        # Simulate a mismatch by modifying the encoding
-                        if True:  # Always trigger the mismatch condition
-                            mismatches_found = True
-                            print(f"Error: Encoding mismatch for instruction '{name}' in YAML file '{yaml_file_path}'.")
-                            print(f"  YAML match     : {yaml_encoding}")
-                            print(f"  Generated match: {encoding}\n")
-                            sys.exit(1)  # Exit immediately on first mismatch
+                # Actually compare the encodings
+                if yaml_encoding.replace(" ", "") != encoding.replace(" ", ""):
+                    mismatches_found = True
+                    print(f"Error: Encoding mismatch for instruction '{name}' in YAML file '{yaml_file_path}'.")
+                    print(f"  YAML match     : {yaml_encoding}")
+                    print(f"  Generated match: {encoding}\n")
+                    sys.exit(1)  # Exit immediately on first mismatch
         else:
             # No valid definitions could be processed for this instruction
             print(f"Error: Could not evaluate any MATCH/MASK expressions for instruction '{name}' in YAML file '{yaml_file_path}'.\n")