diff --git a/eye_service.py b/eye_service.py
index df12300..ace4768 100644
--- a/eye_service.py
+++ b/eye_service.py
@@ -40,7 +40,7 @@ VALID_STATES = ["idle", "listening", "responding", "pleasure", "thinking", "play
 # === Display Configuration ===
 RST1 = 27
 DC1 = 25
-BL1 = 18
+BL1 = 17  # Changed from 18 to free up GPIO18 for I2S (MAX98357A BCLK)
 RST2 = 22
 DC2 = 23
 BL2 = 24