diff --git a/tools/export/iar.py b/tools/export/iar.py
index e04368878e..73565da47a 100644
--- a/tools/export/iar.py
+++ b/tools/export/iar.py
@@ -67,6 +67,7 @@ class IAREmbeddedWorkbench(Exporter):
 
         project_data['tool_specific'] = {}
         project_data['tool_specific'].update(tool_specific)
+        project_data['common']['build_dir'] = os.path.join(project_data['common']['build_dir'], 'iar_arm')
         self.progen_gen_file('iar_arm', project_data)
 
 # Currently not used, we should reuse folder_name to create virtual folders
diff --git a/tools/export/uvision4.py b/tools/export/uvision4.py
index 85b4337ffa..2da6058ecf 100644
--- a/tools/export/uvision4.py
+++ b/tools/export/uvision4.py
@@ -73,5 +73,6 @@ class Uvision4(Exporter):
                 project_data['common']['macros'].pop(i)
             i += 1
         project_data['common']['macros'].append('__ASSERT_MSG')
+        project_data['common']['build_dir'] = join(project_data['common']['build_dir'], 'uvision4')
         self.progen_gen_file('uvision', project_data)