diff --git a/backend/internal/auth/handler.go b/backend/internal/auth/handler.go
index 1b4d6eb..857f587 100644
--- a/backend/internal/auth/handler.go
+++ b/backend/internal/auth/handler.go
@@ -104,7 +104,13 @@ func (h *Handler) Register(c *gin.Context) {
 		empresaIDPtr = &req.EmpresaID
 	}
 
-	regiao := c.GetString("regiao")
+	regiao := req.Regiao
+	if regiao == "" {
+		regiao = req.Estado
+	}
+	if regiao == "" {
+		regiao = c.GetString("regiao")
+	}
 	if regiao == "" {
 		regiao = c.GetHeader("x-regiao")
 	}