diff --git a/awx/resource_project.go b/awx/resource_project.go
index a07e0bce..2f55df95 100644
--- a/awx/resource_project.go
+++ b/awx/resource_project.go
@@ -177,20 +177,38 @@ func resourceProjectUpdate(ctx context.Context, d *schema.ResourceData, m interf
 	if d.Get("scm_credential_id").(int) > 0 {
 		credentials = strconv.Itoa(d.Get("scm_credential_id").(int))
 	}
-	_, err := awxService.UpdateProject(id, map[string]interface{}{
-		"name":                     d.Get("name").(string),
-		"description":              d.Get("description").(string),
-		"local_path":               d.Get("local_path").(string),
-		"scm_type":                 d.Get("scm_type").(string),
-		"scm_url":                  d.Get("scm_url").(string),
-		"scm_branch":               d.Get("scm_branch").(string),
-		"scm_clean":                d.Get("scm_clean").(bool),
-		"scm_delete_on_update":     d.Get("scm_delete_on_update").(bool),
-		"credential":               credentials,
-		"organization":             d.Get("organization_id").(int),
-		"scm_update_on_launch":     d.Get("scm_update_on_launch").(bool),
-		"scm_update_cache_timeout": d.Get("scm_update_cache_timeout").(int),
-	}, map[string]string{})
+	params := make(map[string]interface{})
+	if d.Get("scm_type").(string) == "" {
+		params = map[string]interface{}{
+			"name":                     d.Get("name").(string),
+			"description":              d.Get("description").(string),
+			"local_path":               d.Get("local_path").(string),
+			"scm_type":                 d.Get("scm_type").(string),
+			"scm_url":                  d.Get("scm_url").(string),
+			"scm_branch":               d.Get("scm_branch").(string),
+			"scm_clean":                d.Get("scm_clean").(bool),
+			"scm_delete_on_update":     d.Get("scm_delete_on_update").(bool),
+			"credential":               credentials,
+			"organization":             d.Get("organization_id").(int),
+			"scm_update_on_launch":     d.Get("scm_update_on_launch").(bool),
+			"scm_update_cache_timeout": d.Get("scm_update_cache_timeout").(int),
+		}
+	} else {
+		params = map[string]interface{}{
+			"name":                     d.Get("name").(string),
+			"description":              d.Get("description").(string),
+			"scm_type":                 d.Get("scm_type").(string),
+			"scm_url":                  d.Get("scm_url").(string),
+			"scm_branch":               d.Get("scm_branch").(string),
+			"scm_clean":                d.Get("scm_clean").(bool),
+			"scm_delete_on_update":     d.Get("scm_delete_on_update").(bool),
+			"credential":               credentials,
+			"organization":             d.Get("organization_id").(int),
+			"scm_update_on_launch":     d.Get("scm_update_on_launch").(bool),
+			"scm_update_cache_timeout": d.Get("scm_update_cache_timeout").(int),
+		}
+	}
+	_, err := awxService.UpdateProject(id, params, map[string]string{})
 	if err != nil {
 		return buildDiagnosticsMessage("Update: Fail To Update Project", "Fail to get Project with ID %v, got %s", id, err.Error())
 	}