diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb48063..a33ac7e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,3 +71,4 @@ idf_component_register(SRCS "${srcs}"
                     PRIV_INCLUDE_DIRS "${priv_include_dirs}"
                     REQUIRES ${requires}
                     PRIV_REQUIRES esp_netif)
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/test/mb_example_common/CMakeLists.txt b/test/mb_example_common/CMakeLists.txt
index c4854e9..828fc58 100644
--- a/test/mb_example_common/CMakeLists.txt
+++ b/test/mb_example_common/CMakeLists.txt
@@ -3,3 +3,4 @@
 cmake_minimum_required(VERSION 3.5)
 idf_component_register(SRCS "modbus_params.c"
                     INCLUDE_DIRS "include")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/test/serial/mb_serial_master/main/CMakeLists.txt b/test/serial/mb_serial_master/main/CMakeLists.txt
index f9ab7f6..5d314a3 100644
--- a/test/serial/mb_serial_master/main/CMakeLists.txt
+++ b/test/serial/mb_serial_master/main/CMakeLists.txt
@@ -2,3 +2,4 @@ set(PROJECT_NAME "modbus_master")
 
 idf_component_register(SRCS "master.c"
                         INCLUDE_DIRS ".")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/test/serial/mb_serial_slave/main/CMakeLists.txt b/test/serial/mb_serial_slave/main/CMakeLists.txt
index 561fa6c..da27238 100644
--- a/test/serial/mb_serial_slave/main/CMakeLists.txt
+++ b/test/serial/mb_serial_slave/main/CMakeLists.txt
@@ -2,3 +2,4 @@ set(PROJECT_NAME "modbus_slave")
 
 idf_component_register(SRCS "slave.c"
                     INCLUDE_DIRS ".")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/test/tcp/mb_tcp_master/main/CMakeLists.txt b/test/tcp/mb_tcp_master/main/CMakeLists.txt
index 842f186..203b5cf 100644
--- a/test/tcp/mb_tcp_master/main/CMakeLists.txt
+++ b/test/tcp/mb_tcp_master/main/CMakeLists.txt
@@ -2,3 +2,4 @@ set(PROJECT_NAME "modbus_tcp_master")
 
 idf_component_register(SRCS "tcp_master.c"
                         INCLUDE_DIRS ".")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/test/tcp/mb_tcp_slave/main/CMakeLists.txt b/test/tcp/mb_tcp_slave/main/CMakeLists.txt
index 588a20f..e15d575 100644
--- a/test/tcp/mb_tcp_slave/main/CMakeLists.txt
+++ b/test/tcp/mb_tcp_slave/main/CMakeLists.txt
@@ -2,3 +2,4 @@ set(PROJECT_NAME "modbus_tcp_slave")
 
 idf_component_register(SRCS "tcp_slave.c"
                     INCLUDE_DIRS ".")
+target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")