diff --git a/lib/core/typeinfo.nim b/lib/core/typeinfo.nim
index 4ce65ae911..edb4d11885 100644
--- a/lib/core/typeinfo.nim
+++ b/lib/core/typeinfo.nim
@@ -505,7 +505,7 @@ proc setBiggestFloat*(x: TAny, y: biggestFloat) =
   ## some float.
   case skipRange(x.rawtype).kind
   of tyFloat: cast[ptr Float](x.value)[] = y
-  of tyFloat32: cast[ptr Float32](x.value)[] = y
+  of tyFloat32: cast[ptr Float32](x.value)[] = y.float32
   of tyFloat64: cast[ptr Float64](x.value)[] = y
   else: assert false