diff --git a/op25Handler.py b/op25Handler.py
index a000767..304d6bf 100644
--- a/op25Handler.py
+++ b/op25Handler.py
@@ -65,7 +65,7 @@ class OP25Handler(threading.Thread):
         os.chdir(self.OP25Dir)
 
         if self.HTTP_ENABLED:
-            p25_kwargs += "-l http:0.0.0.0:8080"
+            p25_kwargs += " -l http:0.0.0.0:8080"
             p25_stdout = subprocess.STDOUT
 
         self.OP25Proc = subprocess.Popen(p25_kwargs, shell=False, stdout=p25_stdout, stderr=p25_stderr)