diff --git a/volatility3/cli/__init__.py b/volatility3/cli/__init__.py
index 1209d7cdc..674fb4b4b 100644
--- a/volatility3/cli/__init__.py
+++ b/volatility3/cli/__init__.py
@@ -235,12 +235,19 @@ class CommandLine:
             default=constants.CACHE_PATH,
             type=str,
         )
-        parser.add_argument(
+        isf_group = parser.add_mutually_exclusive_group()
+        isf_group.add_argument(
             "--offline",
             help="Do not search online for additional JSON files",
             default=False,
             action="store_true",
         )
+        isf_group.add_argument(
+            "--remote-isf-url",
+            help="Search online for ISF json files",
+            default=constants.REMOTE_ISF_URL,
+            type=str,
+        )
         parser.add_argument(
             "--filters",
             help="List of filters to apply to the output (in the form of [+-]columname,pattern[!])",
@@ -313,6 +320,8 @@ class CommandLine:
 
         if partial_args.offline:
             constants.OFFLINE = partial_args.offline
+        elif partial_args.remote_isf_url:
+            constants.REMOTE_ISF_URL = partial_args.remote_isf_url
 
         # Do the initialization
         ctx = contexts.Context()  # Construct a blank context
diff --git a/volatility3/cli/volshell/__init__.py b/volatility3/cli/volshell/__init__.py
index 2bf1958e2..fc2f87bc2 100644
--- a/volatility3/cli/volshell/__init__.py
+++ b/volatility3/cli/volshell/__init__.py
@@ -159,12 +159,19 @@ class VolShell(cli.CommandLine):
             default=constants.CACHE_PATH,
             type=str,
         )
-        parser.add_argument(
+        isf_group = parser.add_mutually_exclusive_group()
+        isf_group.add_argument(
             "--offline",
             help="Do not search online for additional JSON files",
             default=False,
             action="store_true",
         )
+        isf_group.add_argument(
+            "--remote-isf-url",
+            help="Search online for ISF json files",
+            default=constants.REMOTE_ISF_URL,
+            type=str,
+        )
 
         # Volshell specific flags
         os_specific = parser.add_mutually_exclusive_group(required=False)
@@ -236,6 +243,8 @@ class VolShell(cli.CommandLine):
 
         if partial_args.offline:
             constants.OFFLINE = partial_args.offline
+        elif partial_args.remote_isf_url:
+            constants.REMOTE_ISF_URL = partial_args.remote_isf_url
 
         # Do the initialization
         ctx = contexts.Context()  # Construct a blank context