diff --git a/CHANGELOG.md b/CHANGELOG.md
index 734c487..5a63155 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+### 0.6.2
+
+Bugfixes:
+
+ * Fixed problem when serializing a type that overloads the `==` operator (#19)
+ * Fixed type hints for floats (`0` digit was not processed properly)
+
 ### 0.6.1
 
 Bugfixes:
diff --git a/private/hints.nim b/private/hints.nim
index ab141e7..f3bf71e 100644
--- a/private/hints.nim
+++ b/private/hints.nim
@@ -14,18 +14,18 @@ type
           ythOF, ythOFF,
     ythT, ythTR, ythTRU, ythTRUE,
     ythY, ythYE, ythYES,
-    
+
     ythPoint, ythPointI, ythPointIN, ythPointINF,
               ythPointN, ythPointNA, ythPointNAN,
-    
+
     ythLowerFA, ythLowerFAL, ythLowerFALS,
     ythLowerNU, ythLowerNUL,
     ythLowerOF,
     ythLowerTR, ythLowerTRU,
     ythLowerYE,
-    
+
     ythPointLowerIN, ythPointLowerN, ythPointLowerNA,
-    
+
     ythMinus, yth0, ythInt, ythDecimal, ythNumE, ythNumEPlusMinus, ythExponent
 
 macro typeHintStateMachine(c: untyped, content: untyped): stmt =
@@ -33,7 +33,7 @@ macro typeHintStateMachine(c: untyped, content: untyped): stmt =
   result = newNimNode(nnkCaseStmt, content).add(copyNimNode(c))
   for branch in content.children:
     assert branch.kind == nnkOfBranch
-    var 
+    var
       charBranch = newNimNode(nnkOfBranch, branch)
       i = 0
       stateBranches = newNimNode(nnkCaseStmt, branch).add(
@@ -77,6 +77,7 @@ template advanceTypeHint(ch: char) {.dirty.} =
   of '0':
     [ythInitial, ythMinus]      => yth0
     [ythNumE, ythNumEPlusMinus] => ythExponent
+    [ythInt, ythDecimal, ythExponent] => nil
   of '1'..'9':
     [ythInitial, ythMinus]            => ythInt
     [ythNumE, ythNumEPlusMinus]       => ythExponent
diff --git a/private/serialization.nim b/private/serialization.nim
index 2ea7eb3..3d47c08 100644
--- a/private/serialization.nim
+++ b/private/serialization.nim
@@ -729,7 +729,7 @@ proc representChild*[T](value: seq[T], ts: TagStyle, c: SerializationContext):
 
 proc representChild*[O](value: ref O, ts: TagStyle, c: SerializationContext):
     RawYamlStream =
-  if value == nil:
+  if isNil(value):
     result = iterator(): YamlStreamEvent =
       yield scalarEvent("~", yTagNull)
   elif c.style == asNone: result = representChild(value[], ts, c)
diff --git a/yaml.nimble b/yaml.nimble
index b45bf68..eb5f80f 100644
--- a/yaml.nimble
+++ b/yaml.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.6.1"
+version       = "0.6.2"
 author        = "Felix Krause"
 description   = "YAML 1.2 implementation for Nim"
 license       = "MIT"