diff --git a/frontend/azlinux/handle_container.go b/frontend/azlinux/handle_container.go
index 44c2da03e..1ec9b3b2f 100644
--- a/frontend/azlinux/handle_container.go
+++ b/frontend/azlinux/handle_container.go
@@ -25,7 +25,7 @@ func handleContainer(w worker) gwclient.BuildFunc {
 
 			pg := dalec.ProgressGroup("Building " + targetKey + " container: " + spec.Name)
 
-			rpmDir, err := specToRpmLLB(ctx, w, client, spec, sOpt, targetKey, pg, dalec.WithPlatform(platform))
+			rpmDir, err := specToRpmLLB(ctx, w, client, spec, sOpt, targetKey, platform, pg)
 			if err != nil {
 				return nil, nil, fmt.Errorf("error creating rpm: %w", err)
 			}
diff --git a/frontend/azlinux/handle_depsonly.go b/frontend/azlinux/handle_depsonly.go
index 3de52c2cc..94ffbfea9 100644
--- a/frontend/azlinux/handle_depsonly.go
+++ b/frontend/azlinux/handle_depsonly.go
@@ -31,7 +31,7 @@ func handleDepsOnly(w worker) gwclient.BuildFunc {
 			if err != nil {
 				return nil, nil, err
 			}
-			st, err := specToContainerLLB(w, client, spec, targetKey, rpmDir, files, sOpt, pg)
+			st, err := specToContainerLLB(w, client, spec, targetKey, rpmDir, files, sOpt, pg, dalec.WithPlatform(platform))
 			if err != nil {
 				return nil, nil, err
 			}
diff --git a/frontend/azlinux/handle_rpm.go b/frontend/azlinux/handle_rpm.go
index c4efbfb9e..89e1f8254 100644
--- a/frontend/azlinux/handle_rpm.go
+++ b/frontend/azlinux/handle_rpm.go
@@ -26,7 +26,7 @@ func handleRPM(w worker) gwclient.BuildFunc {
 				return nil, nil, err
 			}
 
-			st, err := specToRpmLLB(ctx, w, client, spec, sOpt, targetKey, pg, dalec.WithPlatform(platform))
+			st, err := specToRpmLLB(ctx, w, client, spec, sOpt, targetKey, platform, pg)
 			if err != nil {
 				return nil, nil, err
 			}
@@ -64,13 +64,18 @@ func installBuildDeps(w worker, spec *dalec.Spec, targetKey string, opts ...llb.
 	}
 }
 
-func specToRpmLLB(ctx context.Context, w worker, client gwclient.Client, spec *dalec.Spec, sOpt dalec.SourceOpts, targetKey string, opts ...llb.ConstraintsOpt) (llb.State, error) {
+func specToRpmLLB(ctx context.Context, w worker, client gwclient.Client, spec *dalec.Spec, sOpt dalec.SourceOpts, targetKey string, platform *ocispecs.Platform, opts ...llb.ConstraintsOpt) (llb.State, error) {
+	// Generate the buildroot with the native platform
 	base := w.Base(client, opts...).With(installBuildDeps(w, spec, targetKey, opts...))
 	br, err := rpm.SpecToBuildrootLLB(base, spec, sOpt, targetKey, opts...)
 	if err != nil {
 		return llb.Scratch(), err
 	}
 	specPath := filepath.Join("SPECS", spec.Name, spec.Name+".spec")
+
+	// Build the RPM with the target platform
+	opts = append(opts, dalec.WithPlatform(platform))
+	base = w.Base(client, opts...).With(installBuildDeps(w, spec, targetKey, opts...))
 	st := rpm.Build(br, base, specPath, opts...)
 
 	return frontend.MaybeSign(ctx, client, st, spec, targetKey)
diff --git a/frontend/rpm/handle_buildroot.go b/frontend/rpm/handle_buildroot.go
index 7438d8230..60722712f 100644
--- a/frontend/rpm/handle_buildroot.go
+++ b/frontend/rpm/handle_buildroot.go
@@ -21,6 +21,8 @@ func HandleBuildroot(wf WorkerFunc) gwclient.BuildFunc {
 				return nil, nil, err
 			}
 
+			// Note, we are not passing platform down here because everything should
+			// be able to work regardless of platform, so prefer the native platform.
 			worker, err := wf(sOpt.Resolver, spec, targetKey)
 			if err != nil {
 				return nil, nil, err
diff --git a/frontend/rpm/handle_sources.go b/frontend/rpm/handle_sources.go
index 22b4fd64b..6449354a2 100644
--- a/frontend/rpm/handle_sources.go
+++ b/frontend/rpm/handle_sources.go
@@ -25,6 +25,8 @@ func HandleSources(wf WorkerFunc) gwclient.BuildFunc {
 				return nil, nil, err
 			}
 
+			// Note, we are not passing platform down here because everything should
+			// be able to work regardless of platform, so prefer the native platform.
 			sources, err := Dalec2SourcesLLB(worker, spec, sOpt)
 			if err != nil {
 				return nil, nil, err