diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 65f6370..eb86db6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -30,8 +30,9 @@ jobs:
       - uses: actions/cache@v4
         with:
           path: lib/obj/
-          key: ${{runner.os}}-lib/obj-${{github.sha}}
-          restore-keys: ${{runner.os}}-lib/obj-
+          # I swear to god, if runner.arch displays x64 for x86_64, I will eat a potato.
+          key: ${{runner.os}}_${{runner.arch}}-lib/obj-${{github.sha}}
+          restore-keys: ${{runner.os}}_${{runner.arch}}-lib/obj-
       - run: make -Bj libs
       - run: make -j all
       - run: make -j test