diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e59c0d814b..7a41dc83ea 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -786,7 +786,7 @@ add_definitions(-DNRF52 -DNRF52832 -DNRF52832_XXAA -DNRF52_PAN_74 -DNRF52_PAN_64
 add_definitions(-DFREERTOS)
 add_definitions(-D__STACK_SIZE=1024)
 add_definitions(-D__HEAP_SIZE=4096)
-add_definitions(-DMYNEWT_VAL_BLE_LL_RFMGMT_ENABLE_TIME=1500)
+add_definitions(-DMYNEWT_VAL_BLE_LL_RFMGMT_ENABLE_TIME=400)
 
 # Note: Only use this for debugging
 # Derive the low frequency clock from the main clock (SYNT)