diff --git a/CMakeLists.txt b/CMakeLists.txt
index b8809ad40..cbf4b245c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,6 +41,8 @@ option(OT_MBEDTLS_THREADING "enable mbedtls threading" OFF)
 
 add_library(ot-config INTERFACE)
 
+message(STATUS "OpenThread Source Directory: ${PROJECT_SOURCE_DIR}")
+
 target_include_directories(ot-config INTERFACE
     ${PROJECT_SOURCE_DIR}/include
     ${PROJECT_SOURCE_DIR}/src