diff --git a/.github/workflows/compare_perf.yml b/.github/workflows/compare_perf.yml
index 6f458d325d5e8441aee04a98fd1665401e0ece9d..463ec843c66f805656ef43436453e2cda488c5a2 100644
--- a/.github/workflows/compare_perf.yml
+++ b/.github/workflows/compare_perf.yml
@@ -23,13 +23,15 @@ jobs:
     - name: compare_perf::run_perf::echo_inputs
       run: echo ${{ inputs.base }} ${{ inputs.head }}
       shell: bash -euxo pipefail {0}
-    - name: git checkout ${{ inputs.base }}
-      run: git checkout ${{ inputs.base }}
+    - name: compare_perf::run_perf::git_checkout
+      run: git fetch origin ${{ inputs.base }} && git checkout ${{ inputs.base }}
+      shell: bash -euxo pipefail {0}
     - name: compare_perf::run_perf::cargo_perf_test
       run: cargo perf-test -p gpui -- --json=${{ inputs.base }}
       shell: bash -euxo pipefail {0}
-    - name: git checkout ${{ inputs.head }}
-      run: git checkout ${{ inputs.head }}
+    - name: compare_perf::run_perf::git_checkout
+      run: git fetch origin ${{ inputs.head }} && git checkout ${{ inputs.head }}
+      shell: bash -euxo pipefail {0}
     - name: compare_perf::run_perf::cargo_perf_test
       run: cargo perf-test -p gpui -- --json=${{ 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 8cd4ddf5f5691c447d5953f48889277a06c8d0a5..87beacea7a07ea6371a4c0d043ce9c17b1157142 100644
--- a/tooling/xtask/src/tasks/workflows/compare_perf.rs
+++ b/tooling/xtask/src/tasks/workflows/compare_perf.rs
@@ -30,7 +30,8 @@ pub fn run_perf(base: &Input, head: &Input) -> NamedJob {
     }
 
     fn git_checkout(ref_name: String) -> Step<Run> {
-        Step::new(&format!("git checkout {ref_name}")).run(&format!("git checkout {ref_name}"))
+        named::bash(
+            &format!("git fetch origin {ref_name} && git checkout {ref_name}"))
     }
 
     fn compare_runs(head: String, base: String) -> Step<Run> {