diff --git a/cmake/Buildergocub-software.cmake b/cmake/Buildergocub-software.cmake
index f1ef35ea5..cf66c17a2 100644
--- a/cmake/Buildergocub-software.cmake
+++ b/cmake/Buildergocub-software.cmake
@@ -3,7 +3,6 @@
 
 include(YCMEPHelper)
 
-set(ergocub-software_OPTIONAL_CMAKE_ARGS "")
 
 ycm_ep_helper(ergocub-software
               TYPE GIT
@@ -12,4 +11,4 @@ ycm_ep_helper(ergocub-software
               TAG master
               COMPONENT core
               FOLDER src
-              CMAKE_ARGS ${ergocub-software_OPTIONAL_CMAKE_ARGS})
+              CMAKE_ARGS -DCOMPILE_ergoCubEmotions=BOOL:ON)