diff --git a/firmware/retro_tech_fw/code/src/adc.c b/firmware/retro_tech_fw/code/src/adc.c
index aeb1310..9cd57a4 100644
--- a/firmware/retro_tech_fw/code/src/adc.c
+++ b/firmware/retro_tech_fw/code/src/adc.c
@@ -16,7 +16,7 @@
 // deadzone fudge factors for potentionmeter. test on actual badge
 // and see if necessary, or if pot hardware + adc periph is good enough
 #define POT_LO          40
-#define POT_HI          (1024-POT_LO)
+#define POT_HI          (4096-POT_LO)