diff --git a/CLanguage/Interpreter/FunctionContext.cs b/CLanguage/Interpreter/FunctionContext.cs
index 6a64c33..4e75051 100644
--- a/CLanguage/Interpreter/FunctionContext.cs
+++ b/CLanguage/Interpreter/FunctionContext.cs
@@ -77,7 +77,7 @@ public override ResolvedVariable ResolveVariable (string name, CType[] argTypes)
             for (var i = 0; i < exe.Functions.Count; i++) {
                 var f = exe.Functions[i];
                 if (f.Name == name && string.IsNullOrEmpty (f.NameContext)) {
-                    var score = f.FunctionType.ScoreParameterTypesMatches (argTypes);
+                    var score = f.FunctionType.ScoreParameterTypeMatches (argTypes);
                     if (score > fs) {
                         ff = f;
                         fi = i;
diff --git a/CLanguage/Syntax/FuncallExpression.cs b/CLanguage/Syntax/FuncallExpression.cs
index 4732915..855998d 100644
--- a/CLanguage/Syntax/FuncallExpression.cs
+++ b/CLanguage/Syntax/FuncallExpression.cs
@@ -100,7 +100,7 @@ Overload ResolveOverload (Expression function, CType[] argTypes, EmitContext ec)
                         var methodq = from m in methods
                                       let mt = m.MemberType as CFunctionType
                                       where mt != null
-                                      let score = mt.ScoreParameterTypesMatches (argTypes)
+                                      let score = mt.ScoreParameterTypeMatches (argTypes)
                                       where score > 0
                                       orderby score descending
                                       select m;
diff --git a/CLanguage/Types/CFunctionType.cs b/CLanguage/Types/CFunctionType.cs
index ec2d9dd..2f7308d 100644
--- a/CLanguage/Types/CFunctionType.cs
+++ b/CLanguage/Types/CFunctionType.cs
@@ -75,7 +75,7 @@ public override string ToString()
             return s;
         }
 
-        public int ScoreParameterTypesMatches (CType[] argTypes)
+        public int ScoreParameterTypeMatches (CType[] argTypes)
         {
             if (argTypes == null)
                 return 1;
@@ -83,7 +83,7 @@ public int ScoreParameterTypesMatches (CType[] argTypes)
             if (Parameters.Count != argTypes.Length)
                 return 0;
 
-            var score = 1;
+            var score = 2;
 
             for (var i = 0; i < Parameters.Count; i++) {
                 var ft = argTypes[i];