diff --git a/main.go b/main.go
index 024fbf4..8500661 100644
--- a/main.go
+++ b/main.go
@@ -454,6 +454,11 @@ func main() {
 			c.JSON(400, gin.H{"error": "Invalid JSON"})
 			return
 		}
+		modern, ok := data["modern"].(bool)
+		if !ok {
+			c.JSON(400, gin.H{"error": "Invalid JSON"})
+			return
+		}
 
 		userid, taken, err := checkUsernameTaken(username)
 		if !taken {
@@ -499,6 +504,15 @@ func main() {
 				c.JSON(401, gin.H{"error": "Incorrect password", "migrated": true})
 				return
 			}
+		} else {
+			if modern && migrated == 0 {
+				_, err := conn.Exec("UPDATE users SET migrated = 1 WHERE id = ?", userid)
+				if err != nil {
+					log.Println("[ERROR] Unknown in /api/login modern Exec():", err)
+					c.JSON(500, gin.H{"error": "Something went wrong on our end. Please report this bug at https://centrifuge.hectabit.org/hectabit/burgernotes and refer to the documentation for more info. Your error code is: UNKNOWN-API-LOGIN-MODERN"})
+					return
+				}
+			}
 		}
 
 		token, err := randomChars(512)
@@ -655,6 +669,11 @@ func main() {
 			c.JSON(400, gin.H{"error": "Invalid JSON"})
 			return
 		}
+		migrate, ok := data["migration"].(bool)
+		if !ok {
+			c.JSON(400, gin.H{"error": "Invalid JSON"})
+			return
+		}
 
 		_, userid, err := getSession(token)
 		if err != nil {
@@ -682,6 +701,15 @@ func main() {
 			return
 		}
 
+		if migrate {
+			_, err = conn.Exec("UPDATE users SET migrated = 1 WHERE id = ?", userid)
+			if err != nil {
+				log.Println("[ERROR] Unknown in /api/changepassword migrate Exec():", err)
+				c.JSON(500, gin.H{"error": "Something went wrong on our end. Please report this bug at https://centrifuge.hectabit.org/hectabit/burgernotes and refer to the documentation for more info. Your error code is: UNKNOWN-API-CHANGEPASSWORD-MIGRATE"})
+				return
+			}
+		}
+
 		c.JSON(200, gin.H{"success": true})
 	})