diff --git a/build_files/cmake/cmake_qtcreator_project.py b/build_files/cmake/cmake_qtcreator_project.py
index 07ffa659437..8cabc75e426 100755
--- a/build_files/cmake/cmake_qtcreator_project.py
+++ b/build_files/cmake/cmake_qtcreator_project.py
@@ -47,6 +47,13 @@ import os
 import sys
 
 
+def quote_define(define):
+    if " " in define.strip():
+        return '"%s"' % define
+    else:
+        return define
+
+
 def create_qtc_project_main():
     files = list(source_list(SOURCE_DIR, filename_check=is_project_file))
     files_rel = [os.path.relpath(f, start=PROJECT_DIR) for f in files]
@@ -99,7 +106,7 @@ def create_qtc_project_main():
         qtc_cfg = os.path.join(PROJECT_DIR, "%s.config" % FILE_NAME)
         f = open(qtc_cfg, 'w')
         f.write("// ADD PREDEFINED MACROS HERE!\n")
-        defines_final = [("#define %s %s" % item) for item in defines]
+        defines_final = [("#define %s %s" % (item[0], quote_define(item[1]))) for item in defines]
         if sys.platform != "win32":
             defines_final += cmake_compiler_defines()
         f.write("\n".join(defines_final))
diff --git a/release/scripts/modules/bpy_extras/io_utils.py b/release/scripts/modules/bpy_extras/io_utils.py
index 3d71feaf79e..90f0d3f1c1d 100644
--- a/release/scripts/modules/bpy_extras/io_utils.py
+++ b/release/scripts/modules/bpy_extras/io_utils.py
@@ -269,8 +269,6 @@ def axis_conversion_ensure(operator, forward_attr, up_attr):
 
         return axis_forward, axis_up
 
-    change = False
-
     axis = getattr(operator, forward_attr), getattr(operator, up_attr)
     axis_new = validate(*axis)