diff --git a/appveyor.yml b/appveyor.yml
index ee012a8..1c7c108 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,7 +4,7 @@ environment:
   - julia_version: nightly
 
 platform:
-#  - x86 # 32-bit
+  - x86 # 32-bit
   - x64 # 64-bit
 
 # # Uncomment the following lines to allow failures on nightly julia
diff --git a/src/matrices.jl b/src/matrices.jl
index c690243..1085d41 100644
--- a/src/matrices.jl
+++ b/src/matrices.jl
@@ -172,8 +172,8 @@ end
 function _crossrecurrencematrix(x::Dataset, y::Dataset, ε, metric::Metric)
     x = x.data
     y = y.data
-    rowvals = Vector{Int64}()
-    colvals = Vector{Int64}()
+    rowvals = Vector{Int}()
+    colvals = Vector{Int}()
     for j in 1:length(y)
         nzcol = 0
         for i in 1:length(x)