diff --git a/src/utils/build_dependencies.py b/src/utils/build_dependencies.py
index a2fd261f26..c88ddbfb62 100755
--- a/src/utils/build_dependencies.py
+++ b/src/utils/build_dependencies.py
@@ -20,7 +20,7 @@ for src in glob.iglob('*.F90'):
         dependencies[module] = sorted(list(deps))
 
 
-for module in dependencies.keys():
+for module in sorted(dependencies.keys()):
     for dep in dependencies[module]:
         print("{0}.o: {1}.o".format(module, dep))
     print('')