diff --git a/environments/opteesp/component.cmake b/environments/opteesp/component.cmake
index 86b1d19..72eef78 100644
--- a/environments/opteesp/component.cmake
+++ b/environments/opteesp/component.cmake
@@ -11,6 +11,7 @@
 
 target_sources(${TGT} PRIVATE
 	"${CMAKE_CURRENT_LIST_DIR}/optee_sp_header.c"
+	"${CMAKE_CURRENT_LIST_DIR}/sp_assert.c"
 	"${CMAKE_CURRENT_LIST_DIR}/sp_entry.c"
 	"${CMAKE_CURRENT_LIST_DIR}/sp_trace.c"
 )