diff --git a/gprofiler/profilers/python_ebpf.py b/gprofiler/profilers/python_ebpf.py
index 4bb8e5564..d5c540c80 100644
--- a/gprofiler/profilers/python_ebpf.py
+++ b/gprofiler/profilers/python_ebpf.py
@@ -243,7 +243,7 @@ def _read_process_standard_outputs(self) -> Tuple[Optional[str], Optional[str]]:
             output = cast(str, output)
             if key.fileobj is self.process.stdout:
                 stdout = output
-            if key.fileobj is self.process.stderr:
+            elif key.fileobj is self.process.stderr:
                 stderr = output
         return stdout, stderr