diff --git a/src/Generator/Passes/HandleDefaultParamValuesPass.cs b/src/Generator/Passes/HandleDefaultParamValuesPass.cs
index 092da9d6..f041f26f 100644
--- a/src/Generator/Passes/HandleDefaultParamValuesPass.cs
+++ b/src/Generator/Passes/HandleDefaultParamValuesPass.cs
@@ -28,6 +28,8 @@ namespace CppSharp.Passes
                 if (CheckForDefaultPointer(desugared, parameter))
                     continue;
 
+                CheckFloatSyntax(desugared, parameter);
+
                 bool? defaultConstruct = CheckForDefaultConstruct(desugared, parameter.DefaultArgument);
                 if (defaultConstruct == null ||
                     (!Driver.Options.MarshalCharAsManagedChar &&
@@ -53,6 +55,15 @@ namespace CppSharp.Passes
             return result;
         }
 
+        private void CheckFloatSyntax(Type desugared, Parameter parameter)
+        {
+            var builtin = desugared as BuiltinType;
+            if (builtin != null && builtin.Type == AST.PrimitiveType.Float && parameter.DefaultArgument.String.EndsWith(".F"))
+            {
+                parameter.DefaultArgument.String = parameter.DefaultArgument.String.Replace(".F", ".0F");
+            }
+        }
+
         private bool CheckForAnonExpression(Type desugared, Parameter parameter)
         {
             var cast = parameter.DefaultArgument as CastExpr;