diff --git a/base/sources/iron.h b/base/sources/iron.h
index 0a3f0985..19faa7fb 100644
--- a/base/sources/iron.h
+++ b/base/sources/iron.h
@@ -1305,7 +1305,7 @@ i32 iron_sys_command(string_t *cmd) {
 	wchar_t comspec[MAX_PATH];
 	GetEnvironmentVariableW(L"ComSpec", comspec, MAX_PATH);
 	wchar_t cmdline[2048];
-	swprintf(cmdline, 2048, L"\"%s\" /c %s", comspec, wstr);
+	swprintf(cmdline, 2048, L"\"%s\" /c \"%s\"", comspec, wstr);
 	STARTUPINFO si;
 	memset(&si, 0, sizeof(si));
 	si.cb          = sizeof(si);
diff --git a/paint/sources/import_blend_mesh.ts b/paint/sources/import_blend_mesh.ts
index 4b87331f..bdafa9c4 100644
--- a/paint/sources/import_blend_mesh.ts
+++ b/paint/sources/import_blend_mesh.ts
@@ -43,7 +43,11 @@ import bpy;\
 bpy.ops.wm.obj_export(filepath='" +
 	                 bpy_folder + string_replace_all(save, "\\", "/") + "',export_triangulated_mesh=True,export_materials=False,check_existing=False)";
 
+	/// if arm_windows
+	let bl: string = "\"" + string_replace_all(config_raw.blender, "/", "\\") + "\"";
+	/// else
 	let bl: string = string_replace_all(config_raw.blender, " ", "\\ ");
+	/// end
 	iron_sys_command(bl + " \"" + path + "\" -b --python-expr \"" + py + "\"");
 	import_obj_run(save, replace_existing);
 }