diff --git a/tools/cooja/config/external_tools_linux.config b/tools/cooja/config/external_tools_linux.config
index 8051ce828..6b9aa8ff6 100644
--- a/tools/cooja/config/external_tools_linux.config
+++ b/tools/cooja/config/external_tools_linux.config
@@ -22,7 +22,7 @@ CONTIKI_STANDARD_PROCESSES = sensors_process;etimer_process
 CONTIKI_MAIN_TEMPLATE_FILENAME = contiki_template.c
 CORECOMM_TEMPLATE_FILENAME = corecomm_template.java
 PATH_JAVAC = javac
-DEFAULT_PROJECTDIRS = ../apps/mrm
+DEFAULT_PROJECTDIRS = ../apps/mrm;../apps/mspsim
 
 PARSE_WITH_COMMAND = true
 PARSE_COMMAND=nm -a $(LIBFILE)
diff --git a/tools/cooja/config/external_tools_macosx.config b/tools/cooja/config/external_tools_macosx.config
index 936363485..738d81402 100644
--- a/tools/cooja/config/external_tools_macosx.config
+++ b/tools/cooja/config/external_tools_macosx.config
@@ -22,7 +22,7 @@ CONTIKI_STANDARD_PROCESSES = sensors_process;etimer_process
 CONTIKI_MAIN_TEMPLATE_FILENAME = contiki_template.c
 CORECOMM_TEMPLATE_FILENAME = corecomm_template.java
 PATH_JAVAC = javac
-DEFAULT_PROJECTDIRS = ../apps/mrm
+DEFAULT_PROJECTDIRS = ../apps/mrm;../apps/mspsim
 
 PARSE_WITH_COMMAND = true
 PARSE_COMMAND = nmandsize $(LIBFILE)
diff --git a/tools/cooja/config/external_tools_win32.config b/tools/cooja/config/external_tools_win32.config
index e2dfdbd10..f31ed8ae6 100644
--- a/tools/cooja/config/external_tools_win32.config
+++ b/tools/cooja/config/external_tools_win32.config
@@ -22,7 +22,7 @@ CONTIKI_STANDARD_PROCESSES = sensors_process;etimer_process
 CONTIKI_MAIN_TEMPLATE_FILENAME = contiki_template.c
 CORECOMM_TEMPLATE_FILENAME = corecomm_template.java
 PATH_JAVAC = javac
-DEFAULT_PROJECTDIRS = ../apps/mrm
+DEFAULT_PROJECTDIRS = ../apps/mrm;../apps/mspsim
 
 PARSE_WITH_COMMAND = true
 PARSE_COMMAND=nm -C $(LIBFILE)