diff --git a/README.md b/README.md
index 1492c6c..c70bc5c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Automated Reconnaissance Pipeline
 
-![version](https://img.shields.io/badge/version-0.7.2-informational?style=for-the-badge)
+![version](https://img.shields.io/badge/version-0.7.3-informational?style=for-the-badge)
 ![python](https://img.shields.io/badge/python-3.7-informational?style=for-the-badge)
 ![luigi](https://img.shields.io/badge/luigi-2.8.11-yellowgreen?style=for-the-badge)
 ![cmd2](https://img.shields.io/badge/cmd2-0.9.23-yellowgreen?style=for-the-badge)
diff --git a/recon-pipeline.py b/recon-pipeline.py
index 4c68237..35c740d 100755
--- a/recon-pipeline.py
+++ b/recon-pipeline.py
@@ -9,7 +9,7 @@ import threading
 import subprocess
 from pathlib import Path
 
-__version__ = "0.7.2"
+__version__ = "0.7.3"
 
 # fix up the PYTHONPATH so we can simply execute the shell from wherever in the filesystem
 os.environ["PYTHONPATH"] = f"{os.environ.get('PYTHONPATH')}:{str(Path(__file__).parent.resolve())}"
diff --git a/recon/nmap.py b/recon/nmap.py
index 45a097c..7de71c7 100644
--- a/recon/nmap.py
+++ b/recon/nmap.py
@@ -110,7 +110,7 @@ class ThreadedNmapScan(luigi.Task):
                 tmp_cmd[2] = "-sT" if protocol == "tcp" else "-sU"
 
                 # arg to -oA, will drop into subdir off curdir
-                tmp_cmd[9] = ",".join(ports)
+                tmp_cmd[10] = ",".join(ports)
                 tmp_cmd.append(f"{self.output().path}/nmap.{target}-{protocol}")
 
                 tmp_cmd.append(target)  # target as final arg to nmap
@@ -121,6 +121,7 @@ class ThreadedNmapScan(luigi.Task):
         Path(self.output().path).mkdir(parents=True, exist_ok=True)
 
         with concurrent.futures.ThreadPoolExecutor(max_workers=self.threads) as executor:
+
             executor.map(subprocess.run, commands)
 
 
diff --git a/recon/targets.py b/recon/targets.py
index 19b8a65..f885462 100644
--- a/recon/targets.py
+++ b/recon/targets.py
@@ -32,9 +32,11 @@ class TargetList(luigi.ExternalTask):
         Returns:
             luigi.local_target.LocalTarget
         """
-        print(f"debug-epi: targets {self.results_dir}")
+        self.results_dir = Path(self.results_dir)
+        self.target_file = Path(self.target_file)
+
         try:
-            with open(str(self.target_file)) as f:
+            with open(self.target_file) as f:
                 first_line = f.readline()
                 ipaddress.ip_interface(first_line.strip())  # is it a valid ip/network?
         except OSError as e:
@@ -43,15 +45,16 @@ class TargetList(luigi.ExternalTask):
         except ValueError as e:
             # exception thrown by ip_interface; domain name assumed
             logging.debug(e)
-            with_suffix = f"{self.target_file}.domains"
+            with_suffix = self.target_file.with_suffix(".domains")
         else:
             # no exception thrown; ip address found
-            with_suffix = f"{self.target_file}.ips"
+            with_suffix = self.target_file.with_suffix(".ips")
 
-        Path(str(self.results_dir)).mkdir(parents=True, exist_ok=True)
+        self.results_dir.mkdir(parents=True, exist_ok=True)
 
-        with_suffix = f"{self.results_dir}/{with_suffix}"
+        with_suffix = (Path(self.results_dir) / with_suffix).resolve()
 
         # copy file with new extension
-        shutil.copy(str(self.target_file), with_suffix)
+        shutil.copy(self.target_file, with_suffix)
+
         return luigi.LocalTarget(with_suffix)