diff --git a/firmware/atmega/include/moisture.h b/firmware/atmega/include/moisture.h
index f1eeaba..8c28ea7 100644
--- a/firmware/atmega/include/moisture.h
+++ b/firmware/atmega/include/moisture.h
@@ -44,7 +44,7 @@ static const int8_t sensorPins[] = {
 extern volatile bool readSensors;
 
 void sensorsInit(void);
-void triggerMoistureRead(void);
+inline void triggerMoistureRead(void);
 uint16_t moistureRead(void);
 
 #endif
diff --git a/firmware/atmega/source/moisture.c b/firmware/atmega/source/moisture.c
index 09a30ff..fd31c38 100644
--- a/firmware/atmega/source/moisture.c
+++ b/firmware/atmega/source/moisture.c
@@ -17,7 +17,7 @@ void sensorsInit(void) {
     PORTC &= ~sensorMask;
 }
 
-void triggerMoistureRead(void) {
+inline void triggerMoistureRead(void) {
     readSensors = true;
 }