diff --git a/src/lbfgs.jl b/src/lbfgs.jl
index b4b5b842..a7412038 100644
--- a/src/lbfgs.jl
+++ b/src/lbfgs.jl
@@ -33,25 +33,26 @@ function LBFGSData(
   σ₂::Float64 = 0.99,
   σ₃::Float64 = 10.0,
 ) where {I <: Integer}
+  maxmem = max(mem, 1)
   LBFGSData{T, I}(
-    max(mem, 1),
+    maxmem,
     scaling,
     convert(T, 1),
     damped,
     convert(T, σ₂),
     convert(T, σ₃),
     convert(T, 1),
-    [zeros(T, n) for _ = 1:mem],
-    [zeros(T, n) for _ = 1:mem],
-    zeros(T, mem),
-    inverse ? zeros(T, mem) : zeros(T, 0),
-    inverse ? Vector{T}(undef, 0) : [zeros(T, n) for _ = 1:mem],
-    inverse ? Vector{T}(undef, 0) : [zeros(T, n) for _ = 1:mem],
-    inverse ? Vector{T}(undef, 0) : zeros(T, mem),
+    [zeros(T, n) for _ = 1:maxmem],
+    [zeros(T, n) for _ = 1:maxmem],
+    zeros(T, maxmem),
+    inverse ? zeros(T, maxmem) : zeros(T, 0),
+    inverse ? Vector{Vector{T}}(undef, 0) : [zeros(T, n) for _ = 1:maxmem],
+    inverse ? Vector{Vector{T}}(undef, 0) : [zeros(T, n) for _ = 1:maxmem],
+    inverse ? Vector{T}(undef, 0) : zeros(T, maxmem),
     1,
     Vector{T}(undef, n),
-    Array{T}(undef, (n, 2 * mem)),
-    Vector{T}(undef, 2 * mem),
+    Array{T}(undef, (n, 2 * maxmem)),
+    Vector{T}(undef, 2 * maxmem),
     Vector{T}(undef, n),
   )
 end