diff --git a/src/inja.hpp b/src/inja.hpp
index c5705d9..df9ccad 100644
--- a/src/inja.hpp
+++ b/src/inja.hpp
@@ -435,7 +435,7 @@ public:
 			case Parsed::Function::DivisibleBy: {
 				const int number = eval_expression<int>(element.args[0], data);
 				const int divisor = eval_expression<int>(element.args[1], data);
-				return (number % divisor == 0);
+				return (divisor != 0) && (number % divisor == 0);
 			}
 			case Parsed::Function::Odd: {
 				const int number = eval_expression<int>(element.args[0], data);