diff --git a/tools/cmake/project_description.json.in b/tools/cmake/project_description.json.in
index e0a62ee55..568a236c4 100644
--- a/tools/cmake/project_description.json.in
+++ b/tools/cmake/project_description.json.in
@@ -7,8 +7,10 @@
     "app_elf":            "${PROJECT_EXECUTABLE}",
     "app_bin":            "${PROJECT_BIN}",
     "git_revision":       "${IDF_VER}",
+    "target":             "${CONFIG_IDF_TARGET}",
     "phy_data_partition": "${CONFIG_ESP32_PHY_INIT_DATA_IN_PARTITION}",
-    "monitor_baud" : "${CONFIG_ESPTOOLPY_MONITOR_BAUD}",
+    "monitor_baud" :      "${CONFIG_ESPTOOLPY_MONITOR_BAUD}",
+    "monitor_toolprefix": "${CONFIG_SDK_TOOLPREFIX}",
     "config_environment" : {
         "COMPONENT_KCONFIGS" : "${COMPONENT_KCONFIGS}",
         "COMPONENT_KCONFIGS_PROJBUILD" : "${COMPONENT_KCONFIGS_PROJBUILD}"
diff --git a/tools/idf.py b/tools/idf.py
index 7605280df..e8475c99a 100755
--- a/tools/idf.py
+++ b/tools/idf.py
@@ -358,6 +358,7 @@ def monitor(action, ctx, args):
     if args.port is not None:
         monitor_args += ["-p", args.port]
     monitor_args += ["-b", project_desc["monitor_baud"]]
+    monitor_args += ["--toolchain-prefix", project_desc["monitor_toolprefix"]]
     monitor_args += [elf_file]
 
     idf_py = [PYTHON] + get_commandline_options(ctx)  # commands to re-run idf.py