diff --git a/cmd/image-builder/main.go b/cmd/image-builder/main.go
index 6467d2499964..0a51c888e8f5 100644
--- a/cmd/image-builder/main.go
+++ b/cmd/image-builder/main.go
@@ -263,7 +263,7 @@ func buildInADO(o options) error {
 	fmt.Println("Building image in ADO pipeline.")
 
 	// Validate provided dockerfile for ADO usage
-	if err := validateDockerFile(o.dockerfile); err != nil {
+	if err := validateDockerFile(o.context, o.dockerfile); err != nil {
 		return fmt.Errorf("invalid dockerfile provided: %w", err)
 	}
 
@@ -365,8 +365,9 @@ func buildInADO(o options) error {
 // validateDockerFile checks whether provided dockerfile
 // will run smoothly in ADO image-builder.
 // It return clear error message, including known issue urls.
-func validateDockerFile(dockerFilePath string) error {
+func validateDockerFile(context, dockerFile string) error {
 	// Load Dockerfile
+	dockerFilePath := fmt.Sprintf("%s/%s", context, dockerFile)
 	data, err := os.ReadFile(dockerFilePath)
 	if err != nil {
 		return fmt.Errorf("cannot load provided dockerfile: %w", err)
diff --git a/cmd/image-builder/main_test.go b/cmd/image-builder/main_test.go
index 8ea5cdf8474c..3fccbf5e4fff 100644
--- a/cmd/image-builder/main_test.go
+++ b/cmd/image-builder/main_test.go
@@ -735,14 +735,14 @@ func Test_validateDockerFile(t *testing.T) {
 		t.Run(c.name, func(t *testing.T) {
 			// Arrange
 			tempDir := t.TempDir()
-			dockerFilePath := fmt.Sprintf("%s/out_file", tempDir)
+			dockerFilePath := fmt.Sprintf("%s/Dockerfile", tempDir)
 			err := os.WriteFile(dockerFilePath, []byte(c.dockerfile), os.ModePerm)
 			if err != nil {
 				t.Errorf("failed to write dockerfile for test: %s", err)
 			}
 
 			// Act & Assert
-			err = validateDockerFile(dockerFilePath)
+			err = validateDockerFile(tempDir, "Dockerfile")
 			if err != nil && !c.expectErr {
 				t.Errorf("unexpected error occured: %s", err)
 			}