diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 0b20d756..ccc7bb31 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -8,6 +8,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[skip ci]')"
     env:
       GKS_ENCODING: "utf8"
+      GKSwstype: "100"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea965cb7..797cc072 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[skip ci]')"
     env:
       GKS_ENCODING: "utf8"
+      GKSwstype: "100"
 
     name: Julia ${{ matrix.version }} - ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
diff --git a/src/backends/hdf5.jl b/src/backends/hdf5.jl
index 699b1529..050992aa 100644
--- a/src/backends/hdf5.jl
+++ b/src/backends/hdf5.jl
@@ -440,8 +440,8 @@ end
 #Read KW from group:
 function _read(::Type{KW}, grp::Group)
     d = KW()
-    gnames = names(grp)
-    for k in gnames
+    gkeys = keys(grp)
+    for k in gkeys
         try
             v = _read_typed(grp, k)
             d[Symbol(k)] = v