diff --git a/examples/zephyr/http-client/CMakeLists.txt b/examples/zephyr/http-client/CMakeLists.txt
index a4b28de3..75174f0e 100644
--- a/examples/zephyr/http-client/CMakeLists.txt
+++ b/examples/zephyr/http-client/CMakeLists.txt
@@ -7,5 +7,5 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(http_client)
 #add_definitions(-DMG_ENABLE_LINES=1)
-add_definitions(-DMG_ENABLE_MBEDTLS=1 -DMG_MBEDTLS_DEBUG_LEVEL=4)
+add_definitions(-DMG_TLS=MG_TLS_MBED -DMG_MBEDTLS_DEBUG_LEVEL=4)
 target_sources(app PRIVATE src/main.c src/mongoose.c)
diff --git a/examples/zephyr/http-server/CMakeLists.txt b/examples/zephyr/http-server/CMakeLists.txt
index ca982051..312d514a 100644
--- a/examples/zephyr/http-server/CMakeLists.txt
+++ b/examples/zephyr/http-server/CMakeLists.txt
@@ -6,5 +6,5 @@
 cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(http_server)
-add_definitions(-DMG_ENABLE_MBEDTLS=1)
+add_definitions(-DMG_TLS=MG_TLS_MBED)
 target_sources(app PRIVATE src/main.c src/mongoose.c)
diff --git a/examples/zephyr/mqtt-aws-client/CMakeLists.txt b/examples/zephyr/mqtt-aws-client/CMakeLists.txt
index dbc442e8..f9cf91ae 100644
--- a/examples/zephyr/mqtt-aws-client/CMakeLists.txt
+++ b/examples/zephyr/mqtt-aws-client/CMakeLists.txt
@@ -7,5 +7,5 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(mqtt_aws_client)
 #add_definitions(-DMG_ENABLE_LINES=1)
-add_definitions(-DMG_ENABLE_MBEDTLS=1 -DMG_MBEDTLS_DEBUG_LEVEL=4)
+add_definitions(-DMG_TLS=MG_TLS_MBED -DMG_MBEDTLS_DEBUG_LEVEL=4)
 target_sources(app PRIVATE src/main.c src/mongoose.c)
diff --git a/examples/zephyr/websocket-server/CMakeLists.txt b/examples/zephyr/websocket-server/CMakeLists.txt
index 6b2697a9..317f8bb5 100644
--- a/examples/zephyr/websocket-server/CMakeLists.txt
+++ b/examples/zephyr/websocket-server/CMakeLists.txt
@@ -7,5 +7,5 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(websocket_server)
 #add_definitions(-DMG_ENABLE_LINES=1)
-add_definitions(-DMG_ENABLE_MBEDTLS=1)
+add_definitions(-DMG_TLS=MG_TLS_MBED)
 target_sources(app PRIVATE src/main.c src/mongoose.c)