diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index efb27298a..2fe0647a6 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -640,15 +640,15 @@ jobs:
           make -j$(nproc) benchmarks
           cd ..
           make -C test/data 
-      - name: Checkout Master Branch
+      - name: Checkout Base Branch
         uses: actions/checkout@v3
         with:
-          ref: master
-          path: master
-      - name: Build Master Branch
+          ref: ${{ github.event.pull_request.base.ref }}
+          path: base
+      - name: Build Base Branch
         run: |
-          mkdir master/build
-          cd master/build
+          mkdir base/build
+          cd base/build
           cmake -DENABLE_CONAN=ON -DCMAKE_BUILD_TYPE=Release ..
           make -j$(nproc)
           make -j$(nproc) benchmarks
@@ -656,11 +656,11 @@ jobs:
           make -C test/data 
       - name: Run Benchmarks
         run: |
-          ./scripts/ci/run_benchmarks.sh master pr
+          ./pr/scripts/ci/run_benchmarks.sh base pr
       - name: Compare Benchmarks
         run: |
           cat pr_results/match_mld.bench
-          cat master_results/match_mld.bench
+          cat base_results/match_mld.bench
       - name: Post Benchmark Results
         run: |
-          python3 pr/scripts/ci/post_benchmark_results.py master_results pr_results
+          python3 pr/scripts/ci/post_benchmark_results.py base_results pr_results
diff --git a/scripts/ci/run_benchmarks.sh b/scripts/ci/run_benchmarks.sh
index 88e2046dc..5d3b0e389 100755
--- a/scripts/ci/run_benchmarks.sh
+++ b/scripts/ci/run_benchmarks.sh
@@ -9,12 +9,14 @@ function run_benchmarks_for_folder {
 
     mkdir -p $RESULTS_FOLDER
 
-    ./$FOLDER/build/src/benchmarks/match-bench "./$FOLDER/test/data/mld/monaco.osrm" mld > "$RESULTS_FOLDER/match_mld.bench"
-    ./$FOLDER/build/src/benchmarks/match-bench "./$FOLDER/test/data/ch/monaco.osrm" > "$RESULTS_FOLDER/match_ch.bench"
-    ./$FOLDER/build/src/benchmarks/alias-bench > "$RESULTS_FOLDER/alias.bench"
-    ./$FOLDER/build/src/benchmarks/json-render-bench  "./$FOLDER/src/benchmarks/portugal_to_korea.json" > "$RESULTS_FOLDER/json-render.bench"
-    ./$FOLDER/build/src/benchmarks/packedvector-bench > "$RESULTS_FOLDER/packedvector.bench"
-    ./$FOLDER/build/src/benchmarks/rtree-bench "./$FOLDER/test/data/monaco.osrm.ramIndex" "./$FOLDER/test/data/monaco.osrm.fileIndex" "./$FOLDER/test/data/monaco.osrm.nbg_nodes" > "$RESULTS_FOLDER/rtree.bench"
+    BENCHMARKS_FOLDER="$FOLDER/build/src/benchmarks"
+
+    ./$BENCHMARKS_FOLDER/match-bench "./$FOLDER/test/data/mld/monaco.osrm" mld > "$RESULTS_FOLDER/match_mld.bench"
+    ./$BENCHMARKS_FOLDER/match-bench "./$FOLDER/test/data/ch/monaco.osrm" > "$RESULTS_FOLDER/match_ch.bench"
+    ./$BENCHMARKS_FOLDER/alias-bench > "$RESULTS_FOLDER/alias.bench"
+    ./$BENCHMARKS_FOLDER/json-render-bench  "./$FOLDER/src/benchmarks/portugal_to_korea.json" > "$RESULTS_FOLDER/json-render.bench"
+    ./$BENCHMARKS_FOLDER/packedvector-bench > "$RESULTS_FOLDER/packedvector.bench"
+    ./$BENCHMARKS_FOLDER/rtree-bench "./$FOLDER/test/data/monaco.osrm.ramIndex" "./$FOLDER/test/data/monaco.osrm.fileIndex" "./$FOLDER/test/data/monaco.osrm.nbg_nodes" > "$RESULTS_FOLDER/rtree.bench"
 }
 
 run_benchmarks_for_folder $1 "${1}_results"