diff --git a/pkg/cmd/repo/fork/fork.go b/pkg/cmd/repo/fork/fork.go
index b620291d6..3ebb02413 100644
--- a/pkg/cmd/repo/fork/fork.go
+++ b/pkg/cmd/repo/fork/fork.go
@@ -113,6 +113,10 @@ func NewCmdFork(f *cmdutil.Factory, runF func(*ForkOptions) error) *cobra.Comman
 				opts.Rename = true // Any existing 'origin' will be renamed to upstream
 			}
 
+			if opts.Repository != "" && cmd.Flags().Changed("remote") {
+				return cmdutil.FlagErrorf("the `--remote` flag is unsupported when a repository argument is provided")
+			}
+
 			if promptOk {
 				// We can prompt for these if they were not specified.
 				opts.PromptClone = !cmd.Flags().Changed("clone")
diff --git a/pkg/cmd/repo/fork/fork_test.go b/pkg/cmd/repo/fork/fork_test.go
index 1f0b9cef1..edf5f2763 100644
--- a/pkg/cmd/repo/fork/fork_test.go
+++ b/pkg/cmd/repo/fork/fork_test.go
@@ -144,6 +144,12 @@ func TestNewCmdFork(t *testing.T) {
 				Rename:     false,
 			},
 		},
+		{
+			name:    "remote with repo argument",
+			cli:     "foo/bar --remote",
+			wantErr: true,
+			errMsg:  "the `--remote` flag is unsupported when a repository argument is provided",
+		},
 	}
 
 	for _, tt := range tests {