diff --git a/pkg/bindings/images/build_test.go b/pkg/bindings/images/build_test.go
index 378a3a3d3d..58bcce2e94 100644
--- a/pkg/bindings/images/build_test.go
+++ b/pkg/bindings/images/build_test.go
@@ -17,14 +17,11 @@ func TestBuildNotMatchStatusMessage(t *testing.T) {
 	assert.False(t, iidRegex.MatchString("Copying config a883dafc480d466ee04e0d6da986bd78eb1fdd2178d04693723da3a8f95d42f4"))
 }
 
+// Windows host paths are only rewritten when the client runs on Windows or
+// inside a WSL/Hyper-V guest, so the drive letter case is covered separately in
+// build_windows_test.go. The values below are left alone on every platform.
 func TestConvertAdditionalBuildContexts(t *testing.T) {
 	additionalBuildContexts := map[string]*define.AdditionalBuildContext{
-		"context1": {
-			IsURL:           false,
-			IsImage:         false,
-			Value:           "C:\\test",
-			DownloadedCache: "",
-		},
 		"context2": {
 			IsURL:           false,
 			IsImage:         false,
@@ -48,7 +45,6 @@ func TestConvertAdditionalBuildContexts(t *testing.T) {
 	convertAdditionalBuildContexts(additionalBuildContexts)
 
 	expectedGuestValues := map[string]string{
-		"context1": "/mnt/c/test",
 		"context2": "/test",
 		"context3": "https://a.com/b.tar",
 		"context4": "quay.io/a/b:c",
diff --git a/pkg/bindings/images/build_windows_test.go b/pkg/bindings/images/build_windows_test.go
new file mode 100644
index 0000000000..b93c30d27d
--- /dev/null
+++ b/pkg/bindings/images/build_windows_test.go
@@ -0,0 +1,23 @@
+package images
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"go.podman.io/buildah/define"
+)
+
+func TestConvertAdditionalBuildContextsWindowsPath(t *testing.T) {
+	additionalBuildContexts := map[string]*define.AdditionalBuildContext{
+		"context1": {
+			IsURL:           false,
+			IsImage:         false,
+			Value:           "C:\\test",
+			DownloadedCache: "",
+		},
+	}
+
+	convertAdditionalBuildContexts(additionalBuildContexts)
+
+	assert.Equal(t, "/mnt/c/test", additionalBuildContexts["context1"].Value)
+}