diff --git a/libraries/AP_Mount/SoloGimbalEKF.cpp b/libraries/AP_Mount/SoloGimbalEKF.cpp
index 52b386d29e..c288cfd989 100644
--- a/libraries/AP_Mount/SoloGimbalEKF.cpp
+++ b/libraries/AP_Mount/SoloGimbalEKF.cpp
@@ -5,7 +5,7 @@
 #if CONFIG_HAL_BOARD == HAL_BOARD_SITL || CONFIG_HAL_BOARD == HAL_BOARD_LINUX
 #pragma GCC optimize("O0")
 #else
-#pragma GCC optimize("O3")
+#pragma GCC optimize("O2")
 #endif
 
 #include "SoloGimbalEKF.h"