diff --git a/buildrunner/docker/multiplatform_image_builder.py b/buildrunner/docker/multiplatform_image_builder.py
index c114b3a..e97e9f6 100644
--- a/buildrunner/docker/multiplatform_image_builder.py
+++ b/buildrunner/docker/multiplatform_image_builder.py
@@ -288,7 +288,7 @@ def _build_single_image(
         target: str,
         build_args: dict,
         inject: dict,
-        cache: bool = False,
+        cache: Optional[bool] = None,
         pull: bool = False,
         secrets: Optional[List[str]] = None,
     ) -> None:
@@ -323,7 +323,8 @@ def _build_single_image(
         build_kwargs = {}
         if builder:
             build_kwargs["builder"] = builder
-        if cache:
+        # Handle both no cache and cache
+        if cache is not None:
             build_kwargs["cache"] = cache
         if pull:
             build_kwargs["pull"] = pull
@@ -406,7 +407,7 @@ def build_multiple_images(
         use_threading: bool = True,
         build_args: dict = None,
         inject: dict = None,
-        cache: bool = False,
+        cache: Optional[bool] = None,
         pull: bool = False,
         secrets: Optional[List[str]] = None,
     ) -> BuiltImageInfo: