diff --git a/tests/bluetooth/mesh/brg/CMakeLists.txt b/tests/bluetooth/mesh/brg/CMakeLists.txt
index aa140c39c22..55e77eaef75 100644
--- a/tests/bluetooth/mesh/brg/CMakeLists.txt
+++ b/tests/bluetooth/mesh/brg/CMakeLists.txt
@@ -12,7 +12,8 @@ target_sources(app
 
 target_include_directories(app
 	PRIVATE
-	${ZEPHYR_BASE}/subsys/bluetooth/mesh)
+	${ZEPHYR_BASE}/subsys/bluetooth/mesh
+	${ZEPHYR_MBEDTLS_MODULE_DIR}/include)
 
 target_compile_options(app
 	PRIVATE
diff --git a/tests/bluetooth/mesh/delayable_msg/CMakeLists.txt b/tests/bluetooth/mesh/delayable_msg/CMakeLists.txt
index 9c10285f055..96af1f0175c 100644
--- a/tests/bluetooth/mesh/delayable_msg/CMakeLists.txt
+++ b/tests/bluetooth/mesh/delayable_msg/CMakeLists.txt
@@ -12,7 +12,8 @@ target_sources(app
 
 target_include_directories(app
 	PRIVATE
-	${ZEPHYR_BASE}/subsys/bluetooth/mesh)
+	${ZEPHYR_BASE}/subsys/bluetooth/mesh
+	${ZEPHYR_MBEDTLS_MODULE_DIR}/include)
 
 target_compile_options(app
 	PRIVATE
diff --git a/tests/bluetooth/mesh/rpl/CMakeLists.txt b/tests/bluetooth/mesh/rpl/CMakeLists.txt
index 17545736a44..44bb865291a 100644
--- a/tests/bluetooth/mesh/rpl/CMakeLists.txt
+++ b/tests/bluetooth/mesh/rpl/CMakeLists.txt
@@ -12,7 +12,8 @@ target_sources(app
 
 target_include_directories(app
 	PRIVATE
-	${ZEPHYR_BASE}/subsys/bluetooth/mesh)
+	${ZEPHYR_BASE}/subsys/bluetooth/mesh
+	${ZEPHYR_MBEDTLS_MODULE_DIR}/include)
 
 target_compile_options(app
 	PRIVATE