diff --git a/python/raft-ann-bench/src/raft-ann-bench/get_dataset/__main__.py b/python/raft-ann-bench/src/raft-ann-bench/get_dataset/__main__.py
index d2cb8ebe98..4e6a0119b4 100644
--- a/python/raft-ann-bench/src/raft-ann-bench/get_dataset/__main__.py
+++ b/python/raft-ann-bench/src/raft-ann-bench/get_dataset/__main__.py
@@ -36,12 +36,13 @@ def convert_hdf5_to_fbin(path, normalize):
     ann_bench_scripts_path = os.path.join(scripts_path, "hdf5_to_fbin.py")
     print(f"calling script {ann_bench_scripts_path}")
     if normalize and "angular" in path:
-        p = subprocess.Popen(
-            ["python", ann_bench_scripts_path, "-n", "%s" % path]
+        subprocess.run(
+            ["python", ann_bench_scripts_path, "-n", "%s" % path], check=True
         )
     else:
-        p = subprocess.Popen(["python", ann_bench_scripts_path, "%s" % path])
-    p.wait()
+        subprocess.run(
+            ["python", ann_bench_scripts_path, "%s" % path], check=True
+        )
 
 
 def move(name, ann_bench_data_path):
diff --git a/python/raft-ann-bench/src/raft-ann-bench/run/__main__.py b/python/raft-ann-bench/src/raft-ann-bench/run/__main__.py
index 347c68c477..9e2da7328d 100644
--- a/python/raft-ann-bench/src/raft-ann-bench/run/__main__.py
+++ b/python/raft-ann-bench/src/raft-ann-bench/run/__main__.py
@@ -110,9 +110,7 @@ def run_build_and_search(
             if force:
                 cmd = cmd + ["--overwrite"]
             cmd = cmd + [temp_conf_filepath]
-            print(cmd)
-            p = subprocess.Popen(cmd)
-            p.wait()
+            subprocess.run(cmd, check=True)
 
         if search:
             search_folder = os.path.join(legacy_result_folder, "search")
@@ -132,9 +130,7 @@ def run_build_and_search(
             if force:
                 cmd = cmd + ["--overwrite"]
             cmd = cmd + [temp_conf_filepath]
-            print(cmd)
-            p = subprocess.Popen(cmd)
-            p.wait()
+            subprocess.run(cmd, check=True)
 
         os.remove(temp_conf_filepath)
 
diff --git a/python/raft-ann-bench/src/raft-ann-bench/split_groundtruth/__main__.py b/python/raft-ann-bench/src/raft-ann-bench/split_groundtruth/__main__.py
index 161617f85c..e8625ce7d7 100644
--- a/python/raft-ann-bench/src/raft-ann-bench/split_groundtruth/__main__.py
+++ b/python/raft-ann-bench/src/raft-ann-bench/split_groundtruth/__main__.py
@@ -23,10 +23,10 @@ def split_groundtruth(groundtruth_filepath):
     pwd = os.getcwd()
     os.chdir("/".join(groundtruth_filepath.split("/")[:-1]))
     groundtruth_filename = groundtruth_filepath.split("/")[-1]
-    p = subprocess.Popen(
-        [ann_bench_scripts_path, groundtruth_filename, "groundtruth"]
+    subprocess.run(
+        [ann_bench_scripts_path, groundtruth_filename, "groundtruth"],
+        check=True,
     )
-    p.wait()
     os.chdir(pwd)