diff --git a/poincare/src/simplify/simplification_generator.cpp b/poincare/src/simplify/simplification_generator.cpp
index 4cc0bcf1b..05df45b68 100644
--- a/poincare/src/simplify/simplification_generator.cpp
+++ b/poincare/src/simplify/simplification_generator.cpp
@@ -5,7 +5,7 @@ extern "C" {
 }
 
 Expression * SimplificationGenerator::AddIntegers(Expression ** parameters, int numberOfParameters) {
-  Integer * result = new Integer(0);
+  Integer * result = new Integer((native_int_t)0);
   for (int i=0; i<numberOfParameters; i++) {
     assert(parameters[i]->type() == Expression::Type::Integer);
     // FIXME: get rid of this operator overloading.