diff --git a/poincare/include/poincare/based_integer.h b/poincare/include/poincare/based_integer.h
index 11b953cab..bfee17f28 100644
--- a/poincare/include/poincare/based_integer.h
+++ b/poincare/include/poincare/based_integer.h
@@ -52,6 +52,7 @@ public:
   /* The constructor build a irreductible fraction */
   BasedInteger(const BasedIntegerNode * node) : Number(node) {}
   static BasedInteger Builder(const char * digits, size_t size, Integer::Base base);
+  static BasedInteger Builder(const Integer & m, Integer::Base base);
 
   // TreeNode
   BasedIntegerNode * node() const { return static_cast<BasedIntegerNode *>(Number::node()); }
@@ -60,8 +61,6 @@ public:
   Integer integer() const { return node()->integer(); }
 
 private:
-  static BasedInteger Builder(const Integer & m, Integer::Base base);
-
   BasedIntegerNode * node() { return static_cast<BasedIntegerNode *>(Number::node()); }
 
   /* Simplification */
diff --git a/poincare/src/number.cpp b/poincare/src/number.cpp
index 2744b0e87..0136cb545 100644
--- a/poincare/src/number.cpp
+++ b/poincare/src/number.cpp
@@ -45,7 +45,7 @@ Number Number::ParseNumber(const char * integralPart, size_t integralLength, con
   if (exponentLength == 0 && decimalLenght == 0) {
     Integer i(integralPart, integralLength, false);
     if (!i.isOverflow()) {
-      return Rational::Builder(i);
+      return BasedInteger::Builder(i, Integer::Base::Decimal);
     }
   }
   int exp;