diff --git a/components/esptool_py/project_include.cmake b/components/esptool_py/project_include.cmake
index 46c12591130..7e0c4d06944 100644
--- a/components/esptool_py/project_include.cmake
+++ b/components/esptool_py/project_include.cmake
@@ -121,7 +121,6 @@ idf_build_get_property(build_dir BUILD_DIR)
 
 idf_build_get_property(elf_name EXECUTABLE_NAME GENERATOR_EXPRESSION)
 idf_build_get_property(elf EXECUTABLE GENERATOR_EXPRESSION)
-idf_build_get_property(elf_dir EXECUTABLE_DIR GENERATOR_EXPRESSION)
 
 if(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES AND NOT BOOTLOADER_BUILD)
     set(unsigned_project_binary "${elf_name}-unsigned.bin")
@@ -137,10 +136,10 @@ set(PROJECT_BIN "${elf_name}.bin")
 if(CONFIG_APP_BUILD_GENERATE_BINARIES)
     add_custom_command(OUTPUT "${build_dir}/.bin_timestamp"
         COMMAND ${ESPTOOLPY} elf2image ${esptool_elf2image_args}
-            -o "${build_dir}/${unsigned_project_binary}" "${elf_dir}/${elf}"
+            -o "${build_dir}/${unsigned_project_binary}" "$<TARGET_FILE:$<GENEX_EVAL:${elf}>>"
         COMMAND ${CMAKE_COMMAND} -E echo "Generated ${build_dir}/${unsigned_project_binary}"
         COMMAND ${CMAKE_COMMAND} -E md5sum "${build_dir}/${unsigned_project_binary}" > "${build_dir}/.bin_timestamp"
-        DEPENDS ${elf}
+        DEPENDS "$<TARGET_FILE:$<GENEX_EVAL:${elf}>>"
         VERBATIM
         WORKING_DIRECTORY ${build_dir}
         COMMENT "Generating binary image from built executable"
@@ -212,7 +211,7 @@ add_custom_target(monitor
     COMMAND ${CMAKE_COMMAND}
     -D "IDF_PATH=${idf_path}"
     -D "SERIAL_TOOL=${ESPMONITOR}"
-    -D "SERIAL_TOOL_ARGS=--target;${target};${monitor_rev_args};${elf_dir}/${elf}"
+    -D "SERIAL_TOOL_ARGS=--target;${target};${monitor_rev_args};$<TARGET_FILE:$<GENEX_EVAL:${elf}>>"
     -D "WORKING_DIRECTORY=${build_dir}"
     -P run_serial_tool.cmake
     WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
diff --git a/tools/test_build_system/test_build.py b/tools/test_build_system/test_build.py
index 104e0d34f83..c2567dc018b 100644
--- a/tools/test_build_system/test_build.py
+++ b/tools/test_build_system/test_build.py
@@ -128,3 +128,10 @@ def test_build_with_sdkconfig_build_abspath(idf_py: IdfPyFunc, test_app_copy: Pa
     build_path = test_app_copy / 'build_tmp'
     sdkconfig_path = build_path / 'sdkconfig'
     idf_py('-D', f'SDKCONFIG={sdkconfig_path}', '-B', str(build_path), 'build')
+
+
+def test_build_cmake_executable_suffix(idf_py: IdfPyFunc, test_app_copy: Path) -> None:
+    logging.info('idf.py can build with CMAKE_EXECUTABLE_SUFFIX set')
+    append_to_file((test_app_copy / 'CMakeLists.txt'), 'set(CMAKE_EXECUTABLE_SUFFIX_CXX ".ext")')
+    ret = idf_py('build')
+    assert 'Project build complete' in ret.stdout, 'Build with CMAKE_EXECUTABLE_SUFFIX set failed'