diff --git a/examples/platforms/da15000/Makefile.am b/examples/platforms/da15000/Makefile.am
index f37de8a7c..4b13e1477 100755
--- a/examples/platforms/da15000/Makefile.am
+++ b/examples/platforms/da15000/Makefile.am
@@ -54,7 +54,7 @@ libopenthread_da15000_a_CPPFLAGS
     -fno-strict-aliasing                                                                  \
     $(NULL)
 
-libopenthread_da15000_a_SOURCES                                                         = \
+PLATFORM_SOURCES                                                                        = \
     alarm.c                                                                               \
     flash.c                                                                               \
     logging.c                                                                             \
@@ -68,6 +68,9 @@ libopenthread_da15000_a_SOURCES
     startup-gcc.c                                                                         \
     clock.c                                                                               \
     misc.c                                                                                \
+    $(NULL)
+
+DIALOG_SOURCES                                                                          = \
     @top_builddir@/third_party/dialog/DialogSDK/bsp/memory/src/qspi_automode.c            \
     @top_builddir@/third_party/dialog/DialogSDK/bsp/peripherals/src/hw_qspi.c             \
     @top_builddir@/third_party/dialog/DialogSDK/bsp/peripherals/src/hw_timer0.c           \
@@ -90,11 +93,20 @@ libopenthread_da15000_a_SOURCES
     @top_builddir@/third_party/dialog/DialogSDK/interfaces/ftdf/src/main.c                \
     $(NULL)
 
+libopenthread_da15000_a_SOURCES                                                         = \
+    $(PLATFORM_SOURCES)                                                                   \
+    $(DIALOG_SOURCES)                                                                     \
+    $(NULL)
+
 noinst_HEADERS                                                                          = \
     custom_config_qspi.h                                                                  \
     platform-da15000.h                                                                    \
     $(NULL)
 
+PRETTY_FILES                                                                            = \
+    $(PLATFORM_SOURCES)                                                                   \
+    $(NULL)
+
 Dash                                                                                    = -
 libopenthread_da15000_a_LIBADD                                                          = \
     $(shell find $(top_builddir)/examples/platforms/utils $(Dash)type f $(Dash)name "*.o")