diff --git a/cmd/protodump/main.go b/cmd/protodump/main.go
index 4d8995a..bd318eb 100644
--- a/cmd/protodump/main.go
+++ b/cmd/protodump/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-    	"flag"
+	"flag"
 	"fmt"
 	"log"
 	"os"
diff --git a/pkg/protodump/proto.go b/pkg/protodump/proto.go
index 987df33..6b51889 100644
--- a/pkg/protodump/proto.go
+++ b/pkg/protodump/proto.go
@@ -239,7 +239,12 @@ func (pd *ProtoDefinition) writeFileOptions() {
 		{"php_metadata_namespace", "PhpMetadataNamespace"},
 		{"ruby_package", "RubyPackage"},
 	}
-	options := reflect.ValueOf(pd.pb.GetOptions()).Elem()
+
+	optionsPtr := reflect.ValueOf(pd.pb.GetOptions())
+	if optionsPtr.IsNil() {
+		return
+	}
+	options := optionsPtr.Elem()
 	printedOption := false
 	for _, option := range optionDefinitions {
 		elemPtr := options.FieldByName(option.FieldName)