diff --git a/daemon/core/api/grpc/client.py b/daemon/core/api/grpc/client.py
index a51f3724..6098db25 100644
--- a/daemon/core/api/grpc/client.py
+++ b/daemon/core/api/grpc/client.py
@@ -137,7 +137,7 @@ class CoreGrpcClient:
     Provides convenience methods for interfacing with the CORE grpc server.
     """
 
-    def __init__(self, address="localhost:50051"):
+    def __init__(self, address="localhost:50051", proxy=False):
         """
         Creates a CoreGrpcClient instance.
 
@@ -146,6 +146,7 @@ class CoreGrpcClient:
         self.address = address
         self.stub = None
         self.channel = None
+        self.proxy = proxy
 
     def start_session(
         self,
@@ -1035,7 +1036,9 @@ class CoreGrpcClient:
 
         :return: nothing
         """
-        self.channel = grpc.insecure_channel(self.address)
+        self.channel = grpc.insecure_channel(
+            self.address, options=[("grpc.enable_http_proxy", self.proxy)]
+        )
         self.stub = core_pb2_grpc.CoreApiStub(self.channel)
 
     def close(self):
diff --git a/daemon/core/gui/app.py b/daemon/core/gui/app.py
index dba22068..2596a411 100644
--- a/daemon/core/gui/app.py
+++ b/daemon/core/gui/app.py
@@ -17,8 +17,8 @@ HEIGHT = 800
 
 
 class Application(tk.Frame):
-    def __init__(self, master=None):
-        super().__init__(master)
+    def __init__(self, proxy):
+        super().__init__(master=None)
         # load node icons
         NodeUtils.setup()
 
@@ -33,7 +33,7 @@ class Application(tk.Frame):
         self.guiconfig = appconfig.read()
         self.style = ttk.Style()
         self.setup_theme()
-        self.core = CoreClient(self)
+        self.core = CoreClient(self, proxy)
         self.setup_app()
         self.draw()
         self.core.set_up()
diff --git a/daemon/core/gui/coreclient.py b/daemon/core/gui/coreclient.py
index 220719cb..23f7adc0 100644
--- a/daemon/core/gui/coreclient.py
+++ b/daemon/core/gui/coreclient.py
@@ -47,11 +47,11 @@ class Observer:
 
 
 class CoreClient:
-    def __init__(self, app):
+    def __init__(self, app, proxy):
         """
         Create a CoreGrpc instance
         """
-        self.client = client.CoreGrpcClient()
+        self.client = client.CoreGrpcClient(proxy=proxy)
         self.session_id = None
         self.node_ids = []
         self.app = app
diff --git a/daemon/scripts/coretk-gui b/daemon/scripts/coretk-gui
index 1ddb7526..4fc60d51 100755
--- a/daemon/scripts/coretk-gui
+++ b/daemon/scripts/coretk-gui
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+import argparse
 import logging
 
 from core.gui import appconfig
@@ -6,10 +7,18 @@ from core.gui.app import Application
 from core.gui.images import Images
 
 if __name__ == "__main__":
+    # parse flags
+    parser = argparse.ArgumentParser(description=f"CORE Python Tk GUI")
+    parser.add_argument("-p", "--proxy", action="store_true", help="enable proxy")
+    args = parser.parse_args()
+
+    # setup logging
     log_format = "%(asctime)s - %(levelname)s - %(module)s:%(funcName)s - %(message)s"
     logging.basicConfig(level=logging.DEBUG, format=log_format)
     logging.getLogger("PIL").setLevel(logging.ERROR)
+
+    # start app
     Images.load_all()
     appconfig.check_directory()
-    app = Application()
+    app = Application(args.proxy)
     app.mainloop()