diff --git a/src/nimqml/private/nimqmlmacros.nim b/src/nimqml/private/nimqmlmacros.nim
index c6511c0..d5343e1 100644
--- a/src/nimqml/private/nimqmlmacros.nim
+++ b/src/nimqml/private/nimqmlmacros.nim
@@ -91,8 +91,8 @@ proc fromQVariantConversion(x: string): string {.compiletime.} =
   of "int": result = "intVal"
   of "string": result = "stringVal"
   of "bool": result = "boolVal"
-  of "float": result = "floatVal"
-  of "double": result = "doubleVal"
+  of "float32": result = "floatVal"
+  of "float": result = "doubleVal"
   of "QObject": result = "qobjectVal"
   of "QVariant": result = ""
   else: error("Unsupported conversion from QVariant to $1" % x)
@@ -106,8 +106,8 @@ proc toMetaType(x: string): string {.compiletime.} =
   of "int": result = "Int"
   of "bool": result = "Bool"
   of "string": result = "QString"
-  of "double": result = "Double"
-  of "float": result = "Float"
+  of "float": result = "Double"
+  of "float32": result = "Float"
   of "pointer": result = "VoidStar"
   of "QVariant": result = "QVariant"
   of "QObject": result = "QObjectStar"
diff --git a/src/nimqml/private/nimqmltypes.nim b/src/nimqml/private/nimqmltypes.nim
index b2d7047..dddd111 100644
--- a/src/nimqml/private/nimqmltypes.nim
+++ b/src/nimqml/private/nimqmltypes.nim
@@ -75,6 +75,7 @@ type
     UnknownType = 0.cint,
     Bool = 1.cint,
     Int = 2.cint,
+    Double = 6.cint,
     QString = 10.cint,
     VoidStar = 31.cint,
     Float = 38.cint,
diff --git a/src/nimqml/private/qvariant.nim b/src/nimqml/private/qvariant.nim
index b5a796b..d98f87d 100644
--- a/src/nimqml/private/qvariant.nim
+++ b/src/nimqml/private/qvariant.nim
@@ -92,6 +92,11 @@ proc newQVariant*(value: QVariant): QVariant =
   result.setup(value)
 
 proc newQVariant*(value: float): QVariant =
+  ## Return a new QVariant given a float
+  new(result, delete)
+  result.setup(value.cdouble)
+
+proc newQVariant*(value: float32): QVariant =
   ## Return a new QVariant given a float
   new(result, delete)
   result.setup(value.cfloat)