diff --git a/conf/autopilot/subsystems/shared/imu_aspirin_v2.1.makefile b/conf/autopilot/subsystems/shared/imu_aspirin_v2.1.makefile
index 103c70d277..6ef7e2369b 100644
--- a/conf/autopilot/subsystems/shared/imu_aspirin_v2.1.makefile
+++ b/conf/autopilot/subsystems/shared/imu_aspirin_v2.1.makefile
@@ -53,7 +53,7 @@ else ifeq ($(ARCH), stm32)
 IMU_ASPIRIN_CFLAGS += -DUSE_DMA1_C4_IRQ    # SPI2 Rx DMA
 endif
 
-IMU_ASPIRIN_CFLAGS += -DIMU_ASPIRIN_VERSION_2_0
+IMU_ASPIRIN_CFLAGS += -DIMU_ASPIRIN_VERSION_2_1
 
 # Keep CFLAGS/Srcs for imu in separate expression so we can assign it to other targets
 # see: conf/autopilot/subsystems/lisa_passthrough/imu_b2_v1.1.makefile for example