diff --git a/board/fizz/board.h b/board/fizz/board.h
index ffa5bb2e58..25f213637a 100644
--- a/board/fizz/board.h
+++ b/board/fizz/board.h
@@ -61,6 +61,7 @@
 
 #define CONFIG_CHARGER_ISL9238
 #define CONFIG_CHARGER_INPUT_CURRENT 512
+#define CONFIG_CHARGER_PSYS
 #define CONFIG_CHARGER_SENSE_RESISTOR 10
 #define CONFIG_CHARGER_SENSE_RESISTOR_AC 20
 #define CONFIG_CMD_CHARGER_ADC_AMON_BMON
diff --git a/board/poppy/board.h b/board/poppy/board.h
index bbaa65a233..587b35f9c1 100644
--- a/board/poppy/board.h
+++ b/board/poppy/board.h
@@ -86,6 +86,7 @@
 #define CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON 1
 #define CONFIG_CHARGER_NARROW_VDC
 #define CONFIG_CHARGER_PROFILE_OVERRIDE
+#define CONFIG_CHARGER_PSYS
 #define CONFIG_CHARGER_SENSE_RESISTOR 10
 #define CONFIG_CHARGER_SENSE_RESISTOR_AC 20
 #define CONFIG_CMD_CHARGER_ADC_AMON_BMON