diff --git a/adafruit_stmpe610.py b/adafruit_stmpe610.py
index fa8f337..60f5f1a 100755
--- a/adafruit_stmpe610.py
+++ b/adafruit_stmpe610.py
@@ -471,7 +471,6 @@ def __init__(  # pylint: disable=too-many-arguments
                 raise RuntimeError(
                     f"Failed to find STMPE610 controller! Chip Version {hex(version).upper()}. "
                     "If you are using the breakout, verify you are in SPI mode."
-                    % version
                 )
         super().__init__()