diff --git a/src/lbfgs.jl b/src/lbfgs.jl
index 9724a0e6..778d3f93 100644
--- a/src/lbfgs.jl
+++ b/src/lbfgs.jl
@@ -246,13 +246,14 @@ end
 
 Resets the given LBFGS data.
 """
-function reset!(data :: LBFGSData)
+function reset!(data :: LBFGSData{T}) where T
   fill!(data.s, 0)
   fill!(data.y, 0)
   fill!(data.ys, 0)
   fill!(data.α , 0)
   fill!(data.a, 0)
   fill!(data.b, 0)
+  data.scaling_factor = T(1)
   data.insert = 1
   return data
 end
diff --git a/src/lsr1.jl b/src/lsr1.jl
index 3d7bdf06..2ba08a9e 100644
--- a/src/lsr1.jl
+++ b/src/lsr1.jl
@@ -172,12 +172,13 @@ end
 
 Reset the given LSR1 data.
 """
-function reset!(data :: LSR1Data)
+function reset!(data :: LSR1Data{T}) where T
   fill!(data.s, 0)
   fill!(data.y, 0)
   fill!(data.ys, 0)
   fill!(data.a, 0)
   fill!(data.as, 0)
+  data.scaling_factor = T(1)
   data.insert = 1
   return data
 end
diff --git a/test/test_lbfgs.jl b/test/test_lbfgs.jl
index a748c713..c69386c8 100644
--- a/test/test_lbfgs.jl
+++ b/test/test_lbfgs.jl
@@ -56,6 +56,8 @@ function test_lbfgs()
       @test norm(H * v - v) > rtol
       reset!(B)
       reset!(H)
+      @test B.data.scaling_factor == 1.0
+      @test H.data.scaling_factor == 1.0
       @test norm(B * v - v) < rtol
       @test norm(H * v - v) < rtol
     end
diff --git a/test/test_lsr1.jl b/test/test_lsr1.jl
index da6592b5..74439889 100644
--- a/test/test_lsr1.jl
+++ b/test/test_lsr1.jl
@@ -31,6 +31,7 @@ function test_lsr1()
       v = simple_vector(Float64, n)
       @test norm(B * v - v) > rtol
       reset!(B)
+      @test B.data.scaling_factor == 1.0
       @test norm(B * v - v) < rtol
     end