diff --git a/.github/workflows/compare_perf.yml b/.github/workflows/compare_perf.yml
index f7a917d452d6d3be7a8d9ad41c614b41cbb1a12a..6f458d325d5e8441aee04a98fd1665401e0ece9d 100644
--- a/.github/workflows/compare_perf.yml
+++ b/.github/workflows/compare_perf.yml
@@ -24,12 +24,12 @@ jobs:
       run: echo ${{ inputs.base }} ${{ inputs.head }}
       shell: bash -euxo pipefail {0}
     - name: git checkout ${{ inputs.base }}
-      run: git checkout {ref_name}
+      run: git checkout ${{ inputs.base }}
     - name: compare_perf::run_perf::cargo_perf_test
       run: cargo perf-test -p gpui -- --json=${{ inputs.base }}
       shell: bash -euxo pipefail {0}
     - name: git checkout ${{ inputs.head }}
-      run: git checkout {ref_name}
+      run: git checkout ${{ inputs.head }}
     - name: compare_perf::run_perf::cargo_perf_test
       run: cargo perf-test -p gpui -- --json=${{ inputs.head }}
       shell: bash -euxo pipefail {0}
diff --git a/tooling/xtask/src/tasks/workflows/compare_perf.rs b/tooling/xtask/src/tasks/workflows/compare_perf.rs
index b5968f88dbd9bcc6ca3055bc6302842a8a405a05..8cd4ddf5f5691c447d5953f48889277a06c8d0a5 100644
--- a/tooling/xtask/src/tasks/workflows/compare_perf.rs
+++ b/tooling/xtask/src/tasks/workflows/compare_perf.rs
@@ -25,11 +25,12 @@ pub fn run_perf(base: &Input, head: &Input) -> NamedJob {
     }
 
     fn cargo_perf_test(ref_name: String) -> Step<Run> {
+        // TODO: vim not gpui, and ideally allow args
         named::bash(&format!("cargo perf-test -p gpui -- --json={ref_name}"))
     }
 
     fn git_checkout(ref_name: String) -> Step<Run> {
-        Step::new(&format!("git checkout {ref_name}")).run("git checkout {ref_name}")
+        Step::new(&format!("git checkout {ref_name}")).run(&format!("git checkout {ref_name}"))
     }
 
     fn compare_runs(head: String, base: String) -> Step<Run> {