diff --git a/.github/workflows/bigendiantests.yml b/.github/workflows/bigendiantests.yml
index 5ce88625..d9034b6e 100644
--- a/.github/workflows/bigendiantests.yml
+++ b/.github/workflows/bigendiantests.yml
@@ -20,9 +20,12 @@ jobs:
     - name: Test
       run: |
         sudo apt-get update
-        sudo apt install -y qemu-system-ppc64 qemu-user
+        # qemu-ppc64 is the user-mode emulator in qemu-user.
+        # qemu-system-ppc64 is only a virtual package on Ubuntu 26.04.
+        sudo apt install -y qemu-user
         GOARCH=ppc64 go test -c -o roaring_test
         GOARCH=ppc64 go test ./roaring64 -c -o ./roaring64/roaring64_test
-        GOARCH=ppc64 go test ./BitSliceIndexing -c -o ./BitSliceIndexing/BitSliceIndexing_test        qemu-ppc64 ./roaring_test
+        GOARCH=ppc64 go test ./BitSliceIndexing -c -o ./BitSliceIndexing/BitSliceIndexing_test
+        qemu-ppc64 ./roaring_test
         qemu-ppc64 ./roaring64/roaring64_test
         cd BitSliceIndexing && qemu-ppc64 ./BitSliceIndexing_test