diff --git a/internal/translate/reversotranslate/translator.go b/internal/translate/reversotranslate/translator.go
index 597360f..25d414e 100644
--- a/internal/translate/reversotranslate/translator.go
+++ b/internal/translate/reversotranslate/translator.go
@@ -90,24 +90,26 @@ func (t *ReversoTranslate) Translate(message string) (translation, definition, p
 	// translation
 	translation += fmt.Sprintf("%v", data["translation"].([]interface{})[0])
 	// definition and part of speech
-	for _, results := range data["contextResults"].(map[string]interface{})["results"].([]interface{}) {
-		results := results.(map[string]interface{})
-		// definition
-		srcExample := results["sourceExamples"].([]interface{})
-		dstExample := results["targetExamples"].([]interface{})
-		if len(srcExample) > 0 && len(dstExample) > 0 {
-			for i := 0; i < len(srcExample) && i < len(dstExample); i++ {
-				definition += fmt.Sprintf("- %v\n\t\"%v\"\n", srcExample[i], dstExample[i])
+	if data["contextResults"] != nil {
+		for _, results := range data["contextResults"].(map[string]interface{})["results"].([]interface{}) {
+			results := results.(map[string]interface{})
+			// definition
+			srcExample := results["sourceExamples"].([]interface{})
+			dstExample := results["targetExamples"].([]interface{})
+			if len(srcExample) > 0 && len(dstExample) > 0 {
+				for i := 0; i < len(srcExample) && i < len(dstExample); i++ {
+					definition += fmt.Sprintf("- %v\n\t\"%v\"\n", srcExample[i], dstExample[i])
+				}
+			}
+			// part of speech
+			if results["partOfSpeech"] == nil {
+				partOfSpeech += fmt.Sprintf("%v\n", results["translation"])
+			} else {
+				partOfSpeech += fmt.Sprintf("%v [%v]\n", results["translation"], results["partOfSpeech"])
 			}
 		}
-		// part of speech
-		if results["partOfSpeech"] == nil {
-			partOfSpeech += fmt.Sprintf("%v\n", results["translation"])
-		} else {
-			partOfSpeech += fmt.Sprintf("%v [%v]\n", results["translation"], results["partOfSpeech"])
-		}
+		definition = regexp.MustCompile("<(|/)em>").ReplaceAllString(definition, "")
 	}
-	definition = regexp.MustCompile("<(|/)em>").ReplaceAllString(definition, "")
 
 	return translation, definition, partOfSpeech, nil
 }