diff --git a/htdocs/asset/class/asset.class.php b/htdocs/asset/class/asset.class.php
index eae7748985999..1ff9497759f72 100644
--- a/htdocs/asset/class/asset.class.php
+++ b/htdocs/asset/class/asset.class.php
@@ -814,6 +814,10 @@ public function calculationDepreciation()
 			return -1;
 		}
 
+		if (! empty($this->not_depreciated)) {
+			return 1;
+		}
+
 		// Get depreciation options
 		//---------------------------
 		require_once DOL_DOCUMENT_ROOT . '/asset/class/assetdepreciationoptions.class.php';