diff --git a/parsl/channels/local/local.py b/parsl/channels/local/local.py
index 161d1cd448..5cd48f6fdf 100644
--- a/parsl/channels/local/local.py
+++ b/parsl/channels/local/local.py
@@ -94,7 +94,7 @@ def push_file(self, source, dest_dir):
             - FileCopyException : If file copy failed.
         '''
 
-        local_dest = dest_dir + '/' + os.path.basename(source)
+        local_dest = os.path.join(dest_dir, os.path.basename(source))
 
         # Only attempt to copy if the target dir and source dir are different
         if os.path.dirname(source) != dest_dir:
diff --git a/parsl/channels/ssh/ssh.py b/parsl/channels/ssh/ssh.py
index 0ce7ff5314..51b653996a 100644
--- a/parsl/channels/ssh/ssh.py
+++ b/parsl/channels/ssh/ssh.py
@@ -160,7 +160,7 @@ def push_file(self, local_source, remote_dir):
             - FileCopyException : FileCopy failed.
 
         '''
-        remote_dest = remote_dir + '/' + os.path.basename(local_source)
+        remote_dest = os.path.join(remote_dir, os.path.basename(local_source))
 
         try:
             self.makedirs(remote_dir, exist_ok=True)
@@ -200,7 +200,7 @@ def pull_file(self, remote_source, local_dir):
             - FileCopyException : FileCopy failed.
         '''
 
-        local_dest = local_dir + '/' + os.path.basename(remote_source)
+        local_dest = os.path.join(local_dir, os.path.basename(remote_source))
 
         try:
             os.makedirs(local_dir)