diff --git a/scripts/bonnibel/module.py b/scripts/bonnibel/module.py
index 4fa6439..796e13e 100644
--- a/scripts/bonnibel/module.py
+++ b/scripts/bonnibel/module.py
@@ -85,7 +85,7 @@ class Module:
                 children |= {m for m in child.depmods if not m in closed}
 
     def generate(self, output):
-        filename = str(output / f"{self.name}.ninja")
+        filename = str(output / f"module.{self.name}.ninja")
 
         with open(filename, "w") as buildfile:
             from pathlib import Path
diff --git a/scripts/bonnibel/project.py b/scripts/bonnibel/project.py
index 6a4802c..e71e85a 100644
--- a/scripts/bonnibel/project.py
+++ b/scripts/bonnibel/project.py
@@ -171,7 +171,7 @@ class Project:
                 outputs = ['build.ninja'],
                 implicit = regen_implicits,
                 implicit_outputs = 
-                    [f"{mod.name}.ninja" for mod in modules.values()] +
+                    [f"module.{mod.name}.ninja" for mod in modules.values()] +
                     [f"{target.name}/target.ninja" for target in targets] +
                     [boot_config],
                 )
@@ -212,4 +212,4 @@ class Project:
                         build.newline()
 
                 for mod in mods:
-                    build.subninja(f"{mod}.ninja")
+                    build.subninja(f"module.{mod}.ninja")