diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index c582856c0..64e6a0239 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -289,7 +289,7 @@ jobs:
     needs: [ what-to-make ]
     runs-on: ubuntu-22.04
     container:
-      image: radupopescu/musl-builder
+      image: alpine:latest
     if: ${{ needs.what-to-make.outputs.make-cli == 'true' || needs.what-to-make.outputs.make-daemon == 'true' || needs.what-to-make.outputs.make-gtk == 'true' || needs.what-to-make.outputs.make-qt == 'true' || needs.what-to-make.outputs.make-tests == 'true' || needs.what-to-make.outputs.make-utils == 'true' }}
     steps:
       - name: Show Configuration
@@ -342,7 +342,7 @@ jobs:
             -DENABLE_GTK=${{ (needs.what-to-make.outputs.make-gtk == 'true') && 'ON' || 'OFF' }} \
             -DENABLE_MAC=OFF \
             -DENABLE_QT=${{ (needs.what-to-make.outputs.make-qt == 'true') && 'ON' || 'OFF' }} \
-            -DENABLE_TESTS=OFF \
+            -DENABLE_TESTS=ON \
             -DENABLE_UTILS=${{ (needs.what-to-make.outputs.make-utils == 'true') && 'ON' || 'OFF' }} \
             -DENABLE_WEB=${{ (needs.what-to-make.outputs.make-web == 'true') && 'ON' || 'OFF' }} \
             -DENABLE_WERROR=ON \
diff --git a/libtransmission/variant.cc b/libtransmission/variant.cc
index f7d09ae53..8de3f3b00 100644
--- a/libtransmission/variant.cc
+++ b/libtransmission/variant.cc
@@ -715,7 +715,7 @@ private:
 
     // When `v` is a dict, this is its children's indices sorted by key.
     // Bencoded dicts must be sorted, so this is useful when writing benc.
-    small::vector<size_t, 512> sorted;
+    small::vector<size_t, 128U> sorted;
 };
 
 class VariantWalker
@@ -763,7 +763,7 @@ public:
 private:
     size_t size = 0;
 
-    static auto constexpr InitialCapacity = size_t{ 32U };
+    static auto constexpr InitialCapacity = size_t{ 24U };
     small::vector<WalkNode, InitialCapacity> stack;
     small::vector<WalkNode::ByKey, InitialCapacity> sortbuf;
 };