diff --git a/model_struct.go b/model_struct.go
index d8f9ed1b..d6a71c0b 100644
--- a/model_struct.go
+++ b/model_struct.go
@@ -175,7 +175,7 @@ func (scope *Scope) GetModelStruct() *ModelStruct {
 					field.HasDefaultValue = true
 				}
 
-				if _, ok := field.TagSettings["AUTO_INCREMENT"]; ok {
+				if _, ok := field.TagSettings["AUTO_INCREMENT"]; ok && !field.IsPrimaryKey {
 					field.HasDefaultValue = true
 				}