diff --git a/modules/graph/dot.go b/modules/graph/dot.go
index 83c29e0b..e6f2b491 100644
--- a/modules/graph/dot.go
+++ b/modules/graph/dot.go
@@ -23,18 +23,23 @@ func (mod *Module) generateDotGraph(bssid string) error {
 		return err
 	}
 
-	if mod.settings.privacy {
-		data = privacyFilter.ReplaceAllString(data, "$1:$2:xx:xx:xx:xx")
+	if size > 0 {
+		if mod.settings.privacy {
+			data = privacyFilter.ReplaceAllString(data, "$1:$2:xx:xx:xx:xx")
+		}
+
+		if err := ioutil.WriteFile(mod.settings.dot.output, []byte(data), os.ModePerm); err != nil {
+			return err
+		} else {
+			mod.Info("graph saved to %s in %v (%d edges, %d discarded)",
+				mod.settings.dot.output,
+				time.Since(start),
+				size,
+				discarded)
+		}
+	} else {
+		mod.Info("graph is empty")
 	}
 
-	if err := ioutil.WriteFile(mod.settings.dot.output, []byte(data), os.ModePerm); err != nil {
-		return err
-	} else {
-		mod.Info("graph saved to %s in %v (%d edges, %d discarded)",
-			mod.settings.dot.output,
-			time.Since(start),
-			size,
-			discarded)
-	}
 	return nil
 }
\ No newline at end of file
diff --git a/modules/graph/json.go b/modules/graph/json.go
index 90e34f73..dccd725a 100644
--- a/modules/graph/json.go
+++ b/modules/graph/json.go
@@ -20,18 +20,24 @@ func (mod *Module) generateJSONGraph(bssid string) error {
 		return err
 	}
 
-	if mod.settings.privacy {
-		data = privacyFilter.ReplaceAllString(data, "$1:$2:xx:xx:xx:xx")
+	if size > 0 {
+
+		if mod.settings.privacy {
+			data = privacyFilter.ReplaceAllString(data, "$1:$2:xx:xx:xx:xx")
+		}
+
+		if err := ioutil.WriteFile(mod.settings.json.output, []byte(data), os.ModePerm); err != nil {
+			return err
+		} else {
+			mod.Info("graph saved to %s in %v (%d edges, %d discarded)",
+				mod.settings.json.output,
+				time.Since(start),
+				size,
+				discarded)
+		}
+	} else {
+		mod.Info("graph is empty")
 	}
 
-	if err := ioutil.WriteFile(mod.settings.json.output, []byte(data), os.ModePerm); err != nil {
-		return err
-	} else {
-		mod.Info("graph saved to %s in %v (%d edges, %d discarded)",
-			mod.settings.json.output,
-			time.Since(start),
-			size,
-			discarded)
-	}
 	return nil
 }
\ No newline at end of file