diff --git a/nrf5/boards/pca10040/mpconfigboard_s132.mk b/nrf5/boards/pca10040/mpconfigboard_s132.mk
index 3e29e9f087..42d37d38d4 100644
--- a/nrf5/boards/pca10040/mpconfigboard_s132.mk
+++ b/nrf5/boards/pca10040/mpconfigboard_s132.mk
@@ -1,7 +1,7 @@
 MCU_SERIES = m4
 MCU_VARIANT = nrf52
 MCU_SUB_VARIANT = nrf52832
-SOFTDEV_VERSION=3.0.0
+SOFTDEV_VERSION = 3.0.0
 
 LD_FILE = boards/nrf52832_512k_64k_s132_$(SOFTDEV_VERSION).ld