diff --git a/platforms/common/include/px4_platform_common/board_common.h b/platforms/common/include/px4_platform_common/board_common.h
index 7a6af777c4..4934d3f582 100644
--- a/platforms/common/include/px4_platform_common/board_common.h
+++ b/platforms/common/include/px4_platform_common/board_common.h
@@ -67,6 +67,10 @@
 #    define PX4_I2C_BUS_CLOCK_INIT {100000, 100000, 100000}
 #  elif (PX4_NUMBER_I2C_BUSES) == 4
 #    define PX4_I2C_BUS_CLOCK_INIT {100000, 100000, 100000, 100000}
+#  elif (PX4_NUMBER_I2C_BUSES) == 5
+#    define PX4_I2C_BUS_CLOCK_INIT {100000, 100000, 100000, 100000, 100000}
+#  elif (PX4_NUMBER_I2C_BUSES) == 6
+#    define PX4_I2C_BUS_CLOCK_INIT {100000, 100000, 100000, 100000, 100000, 100000}
 #  else
 #    error PX4_NUMBER_I2C_BUSES not supported
 #  endif