diff --git a/jellybench_py/core.py b/jellybench_py/core.py
index 42ca284..4d53b3d 100644
--- a/jellybench_py/core.py
+++ b/jellybench_py/core.py
@@ -356,8 +356,8 @@ def benchmark(ffmpeg_cmd: str, debug_flag: bool, prog_bar, limit=0) -> tuple:
         result = {
             "max_streams": max_pass,
             "failure_reasons": failure_reason,
-            "single_worker_speed": max_pass_run_data["speed"],
-            "single_worker_rss_kb": max_pass_run_data["rss_kb"],
+            "single_worker_speed": max_pass_run_data.get("speed", 0),
+            "single_worker_rss_kb": max_pass_run_data.get("rss_kb", 0),
         }
         if prog_bar:
             prog_bar.update(status="Done", workers=max_pass, speed=f"{last_speed:.02f}")
diff --git a/jellybench_py/worker.py b/jellybench_py/worker.py
index 6620343..7b375cf 100644
--- a/jellybench_py/worker.py
+++ b/jellybench_py/worker.py
@@ -122,6 +122,8 @@ def workMan(worker_count: int, ffmpeg_cmd: str, passed_logger: Logger) -> tuple:
                     workrss = float(
                         rssline[1].split("=")[-1].replace("kB", "").replace("KiB", "")
                     )  # maxrss
+                else:
+                    workrss = 0
 
                 if re.match(r"^bench: utime", line):
                     timeline = line.split()
@@ -134,7 +136,10 @@ def workMan(worker_count: int, ffmpeg_cmd: str, passed_logger: Logger) -> tuple:
                 new_line = line.split()
                 frames.append(int(float(new_line[0].split("=")[-1])))
                 framerates += int(float(new_line[1].split("=")[-1]))
-                speeds.append(float(new_line[6].split("=")[-1].replace("x", "")))
+                speed = new_line[6].split("=")[-1].replace("x", "")
+                if speed == "N/A":
+                    speed = 0
+                speeds.append(float(speed))
             lineAmmount = len(framelines)
             if lineAmmount == 0:
                 lineAmmount = 1