diff --git a/tools/cmake/convert_to_cmake.py b/tools/cmake/convert_to_cmake.py
index 588b9bdd5..4e3b0a4b6 100755
--- a/tools/cmake/convert_to_cmake.py
+++ b/tools/cmake/convert_to_cmake.py
@@ -122,7 +122,7 @@ def convert_project(project_path):
     for p in component_paths:
         if "MSYSTEM" in os.environ:
             cmd = ["cygpath", "-w", p]
-            p = subprocess.check_output(cmd).strip()
+            p = subprocess.check_output(cmd).decode('utf-8').strip()
 
         converted_components += convert_component(project_path, p)