diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbe1196f61..3cf4f95b13 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -100,7 +100,7 @@ jobs:
         run: nix-shell --run "cd build; make -j4 check-stage3"
         if: matrix.check-stage3
       - name: Test Speedcenter Benchmarks
-        run: nix-shell --run "cd tests/bench; PATH=../../bin:$PATH temci exec --config speedcenter.yaml --runs 1"
+        run: PATH=$(realpath build/stage1/bin):$PATH nix-shell --run 'cd tests/bench; temci exec --config speedcenter.yaml --runs 1'
         if: matrix.test-speedcenter
       - name: CCache stats
         run: nix-shell --run "ccache -s"
diff --git a/tests/bench/speedcenter.exec.yaml b/tests/bench/speedcenter.exec.yaml
index 936279b1b2..70a479c950 100644
--- a/tests/bench/speedcenter.exec.yaml
+++ b/tests/bench/speedcenter.exec.yaml
@@ -11,7 +11,7 @@
     <<: *time
     cwd: ../../src
     cmd: |
-      bash -c "find . -name '*.lean' -exec ../bin/lean --stats -Dprofiler=true -Dprofiler.threshold=9999 {} \; 2>&1 | ../tests/bench/accumulate_profile.py"
+      bash -c "find . -name '*.lean' -exec lean --stats -Dprofiler=true -Dprofiler.threshold=9999 {} \; 2>&1 | ../tests/bench/accumulate_profile.py"
     max_runs: 3
     parse_output: true
 - attributes:
@@ -25,7 +25,7 @@
       echo -n 'lines: ' &&
       find src -name '*.lean' -print0 | wc -l --files0-from=- | tail -1 | cut -d' ' -f 1
       echo -n 'bytes .olean: ' &&
-      find src -name '*.olean' -print0 | wc -c --files0-from=- | tail -1 | cut -d' ' -f 1
+      find $(dirname $(which lean))/../lib/lean -name '*.olean' -print0 | wc -c --files0-from=- | tail -1 | cut -d' ' -f 1
       echo -n 'lines C++: ' &&
       find src \( -name '*.h' -o -name '*.cpp' \) -print0 | wc -l --files0-from=- | tail -1 | cut -d' ' -f 1
       "
@@ -38,7 +38,7 @@
     cmd: |
       set -eu
       echo -n 'binary size: '
-      wc -c ../../bin/lean | cut -d' ' -f 1
+      wc -c $(which lean) | cut -d' ' -f 1
     max_runs: 1
     runner: output
 - attributes:
@@ -62,7 +62,7 @@
       set -euxo pipefail
       ulimit -s unlimited
       for f in *.args; do
-        ../../bin/lean --run ${f%.args} $(cat $f)
+        lean --run ${f%.args} $(cat $f)
       done
       '
     max_runs: 5