diff --git a/sw/airborne/boards/lisa_m_2.0.h b/sw/airborne/boards/lisa_m_2.0.h
index 6a4aba0deb..2d411960cd 100644
--- a/sw/airborne/boards/lisa_m_2.0.h
+++ b/sw/airborne/boards/lisa_m_2.0.h
@@ -96,7 +96,7 @@
 
 
 
-#define DefaultVoltageOfAdc(adc) (0.00485*adc)
+#define DefaultVoltageOfAdc(adc) (0.0045*adc)
 
 /* Onboard ADCs */
 /*