diff --git a/kmymoney/mymoney/mymoneymoney.h b/kmymoney/mymoney/mymoneymoney.h
--- a/kmymoney/mymoney/mymoneymoney.h
+++ b/kmymoney/mymoney/mymoneymoney.h
@@ -53,11 +53,11 @@
 public:
   // construction
   MyMoneyMoney();
-  explicit MyMoneyMoney(const int iAmount, const signed64 denom);
-  explicit MyMoneyMoney(const long int iAmount, const signed64 denom);
+  explicit MyMoneyMoney(const int iAmount, const unsigned int denom);
+  explicit MyMoneyMoney(const long int iAmount, const unsigned int denom);
   explicit MyMoneyMoney(const QString& pszAmount);
-  explicit MyMoneyMoney(const signed64 Amount, const signed64 denom);
-  explicit MyMoneyMoney(const double dAmount, const signed64 denom = 100);
+  explicit MyMoneyMoney(const qint64 Amount, const unsigned int denom);
+  explicit MyMoneyMoney(const double dAmount, const unsigned int denom = 100);
 
   // copy constructor
   MyMoneyMoney(const MyMoneyMoney& Amount);
@@ -188,7 +188,7 @@
 //            denom   - denominator of the object
 //
 ////////////////////////////////////////////////////////////////////////////////
-inline MyMoneyMoney::MyMoneyMoney(const double dAmount, const signed64 denom) :
+inline MyMoneyMoney::MyMoneyMoney(const double dAmount, const unsigned int denom) :
     AlkValue(dAmount, denom)
 {
 }
diff --git a/kmymoney/mymoney/mymoneymoney.cpp b/kmymoney/mymoney/mymoneymoney.cpp
--- a/kmymoney/mymoney/mymoneymoney.cpp
+++ b/kmymoney/mymoney/mymoneymoney.cpp
@@ -147,9 +147,9 @@
 //            denom  - denominator of the object
 //
 ////////////////////////////////////////////////////////////////////////////////
-MyMoneyMoney::MyMoneyMoney(signed64 Amount, const signed64 denom)
+MyMoneyMoney::MyMoneyMoney(qint64 Amount, const unsigned int denom)
 {
-  if (!denom)
+  if (denom == 0)
     throw MYMONEYEXCEPTION_CSTRING("Denominator 0 not allowed!");
 
   *this = AlkValue(QString::fromLatin1("%1/%2").arg(Amount).arg(denom), eMyMoney::Money::_decimalSeparator);
@@ -164,9 +164,9 @@
 //            denom   - denominator of the object
 //
 ////////////////////////////////////////////////////////////////////////////////
-MyMoneyMoney::MyMoneyMoney(const int iAmount, const signed64 denom)
+MyMoneyMoney::MyMoneyMoney(const int iAmount, const unsigned int denom)
 {
-  if (!denom)
+  if (denom == 0)
     throw MYMONEYEXCEPTION_CSTRING("Denominator 0 not allowed!");
   *this = AlkValue(iAmount, denom);
 }
@@ -180,9 +180,9 @@
 //            denom   - denominator of the object
 //
 ////////////////////////////////////////////////////////////////////////////////
-MyMoneyMoney::MyMoneyMoney(const long int iAmount, const signed64 denom)
+MyMoneyMoney::MyMoneyMoney(const long int iAmount, const unsigned int denom)
 {
-  if (!denom)
+  if (denom == 0)
     throw MYMONEYEXCEPTION_CSTRING("Denominator 0 not allowed!");
   *this = AlkValue(QString::fromLatin1("%1/%2").arg(iAmount).arg(denom), eMyMoney::Money::_decimalSeparator);
 }