diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index e1d7fe6ca86..9dc0077903e 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -8634,6 +8634,10 @@ function dol_eval($s, $returnvalue = 0, $hideerrors = 1, $onlysimplestring = '1'
 			}
 		}
 	}
+
+	if (is_array($s) || $s === 'Array') {
+		return 'Bad string syntax to evaluate (value is Array) '.var_export($s, true);
+	}
 	if (strpos($s, '::') !== false) {
 		if ($returnvalue) {
 			return 'Bad string syntax to evaluate (double : char is forbidden): '.$s;