diff --git a/.travis.yml b/.travis.yml
index 7cd733153..c9a84bd0e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,9 @@ language: julia
 os:
     - linux
     - osx
-julia: 
+julia:
     - 0.4
+    - 0.5
     - nightly
 notifications:
     email: false
diff --git a/src/ordered_dict.jl b/src/ordered_dict.jl
index c739bff74..e55c9d876 100644
--- a/src/ordered_dict.jl
+++ b/src/ordered_dict.jl
@@ -137,7 +137,7 @@ function rehash!{K,V}(h::OrderedDict{K,V}, newsz = length(h.slots))
         newkeys = similar(keys, count0)
         newvals = similar(vals, count0)
         @inbounds for from = 1:length(keys)
-            if !ptrs || isdefined(keys, from)
+            if !ptrs || isassigned(keys, from)
                 k = keys[from]
                 hashk = hash(k)%Int
                 isdeleted = false