diff --git a/HISTORY.rst b/HISTORY.rst
index 4a4bd78f..a96d6374 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -19,6 +19,7 @@ PlatformIO Core 5
 - Fixed an issue with the NetBeans project generator when the path to PlatformIO contains a space (`issue #4096 <https://github.com/platformio/platformio-core/issues/4096>`_)
 - Fixed an issue when the system environment variable does not override a project configuration option (`issue #4125 <https://github.com/platformio/platformio-core/issues/4125>`_)
 - Fixed an issue when referencing ``*_dir`` option from a custom project configuration environment (`issue #4110 <https://github.com/platformio/platformio-core/issues/4110>`_)
+- Fixed an issue with the CLion template that generated a broken CMake file if user's home directory contained an unescaped backslash (`issue #4071 <https://github.com/platformio/platformio-core/issues/4071>`_)
 
 5.2.3 (2021-11-05)
 ~~~~~~~~~~~~~~~~~~
diff --git a/platformio/project/tpls/clion/CMakeListsPrivate.txt.tpl b/platformio/project/tpls/clion/CMakeListsPrivate.txt.tpl
index a7a04ec2..82a4b3a6 100644
--- a/platformio/project/tpls/clion/CMakeListsPrivate.txt.tpl
+++ b/platformio/project/tpls/clion/CMakeListsPrivate.txt.tpl
@@ -8,15 +8,14 @@
 % import os
 % import re
 %
-% from platformio.compat import WINDOWS
-% from platformio.project.helpers import (load_project_ide_data)
+% from platformio.project.helpers import load_project_ide_data
 %
 % def _normalize_path(path):
 %   if project_dir in path:
 %     path = path.replace(project_dir, "${CMAKE_CURRENT_LIST_DIR}")
 %   elif user_home_dir in path:
 %     if "windows" in systype:
-%       path = path.replace(user_home_dir, "$ENV{HOMEDRIVE}$ENV{HOMEPATH}")
+%       path = path.replace(user_home_dir, "${ENV_HOME_PATH}")
 %     else:
 %       path = path.replace(user_home_dir, "$ENV{HOME}")
 %     end
@@ -63,6 +62,11 @@ SET(CMAKE_CXX_COMPILER "{{ _normalize_path(cxx_path) }}")
 SET(CMAKE_CXX_FLAGS "{{ _normalize_path(to_unix_path(cxx_flags)) }}")
 SET(CMAKE_C_FLAGS "{{ _normalize_path(to_unix_path(cc_flags)) }}")
 
+# Convert "Home Directory" that may contain unescaped backslashes on Windows
+% if "windows" in systype:
+file(TO_CMAKE_PATH $ENV{HOMEDRIVE}$ENV{HOMEPATH} ENV_HOME_PATH)
+% end
+
 % STD_RE = re.compile(r"\-std=[a-z\+]+(\w+)")
 % cc_stds = STD_RE.findall(cc_flags)
 % cxx_stds = STD_RE.findall(cxx_flags)