diff --git a/src/actions/commands/digraphs.ts b/src/actions/commands/digraphs.ts
index c5f38258..c7b047fa 100644
--- a/src/actions/commands/digraphs.ts
+++ b/src/actions/commands/digraphs.ts
@@ -1,5 +1,5 @@
 // prettier-ignore
-export const DefaultDigraphs = new Map<string, [string, number]>([
+export const DefaultDigraphs = new Map<string, [string, number | number[]]>([
   ["NU", ["^@", 10]],
   ["SH", ["^A", 1]],
   ["SX", ["^B", 2]],
diff --git a/src/cmd_line/commands/digraph.ts b/src/cmd_line/commands/digraph.ts
index cb3cfb6b..66058953 100644
--- a/src/cmd_line/commands/digraph.ts
+++ b/src/cmd_line/commands/digraph.ts
@@ -12,7 +12,7 @@ import { configuration } from './../../configuration/configuration';
 
 export interface IDigraphsCommandArguments {
   bang: boolean;
-  newDigraphs: Array<[string, string, number]>;
+  newDigraph: [string, string, number[]] | undefined;
 }
 
 interface DigraphQuickPickItem extends vscode.QuickPickItem {
@@ -22,8 +22,8 @@ interface DigraphQuickPickItem extends vscode.QuickPickItem {
 export class DigraphsCommand extends ExCommand {
   public static readonly argParser: Parser<DigraphsCommand> = seq(
     bangParser,
-    whitespace.then(seq(any, any, whitespace.then(numberParser))).many(),
-  ).map(([bang, newDigraphs]) => new DigraphsCommand({ bang, newDigraphs }));
+    whitespace.then(seq(any, any, whitespace.then(numberParser).atLeast(1))).fallback(undefined),
+  ).map(([bang, newDigraph]) => new DigraphsCommand({ bang, newDigraph }));
 
   private readonly arguments: IDigraphsCommandArguments;
   constructor(args: IDigraphsCommandArguments) {
@@ -45,17 +45,21 @@ export class DigraphsCommand extends ExCommand {
   }
 
   async execute(vimState: VimState): Promise<void> {
-    // TODO: use arguments
+    if (this.arguments.newDigraph) {
+      const digraph = this.arguments.newDigraph[0] + this.arguments.newDigraph[1];
+      const charCodes = this.arguments.newDigraph[2];
+      DefaultDigraphs.set(digraph, [String.fromCharCode(...charCodes), charCodes]);
+    } else {
+      const digraphKeyAndContent = this.makeQuickPicks(
+        Object.entries(configuration.digraphs),
+      ).concat(this.makeQuickPicks([...DefaultDigraphs.entries()]));
 
-    const digraphKeyAndContent = this.makeQuickPicks(Object.entries(configuration.digraphs)).concat(
-      this.makeQuickPicks([...DefaultDigraphs.entries()]),
-    );
-
-    void vscode.window.showQuickPick(digraphKeyAndContent).then(async (val) => {
-      if (val) {
-        const char = String.fromCharCode(...val.charCodes);
-        await TextEditor.insert(vimState.editor, char);
-      }
-    });
+      void vscode.window.showQuickPick(digraphKeyAndContent).then(async (val) => {
+        if (val) {
+          const char = String.fromCharCode(...val.charCodes);
+          await TextEditor.insert(vimState.editor, char);
+        }
+      });
+    }
   }
 }
diff --git a/test/mode/modeInsert.test.ts b/test/mode/modeInsert.test.ts
index 3b67ca19..147b3e59 100644
--- a/test/mode/modeInsert.test.ts
+++ b/test/mode/modeInsert.test.ts
@@ -494,6 +494,14 @@ suite('Mode Insert', () => {
     assertEqualLines(['🚀🚀']);
   });
 
+  newTest({
+    title: 'Can insert custom digraph made with :dig[raphs]`',
+    start: ['|'],
+    keysPressed: ':dig R! 55357 56960\n' + 'i<C-k>R!',
+    end: ['🚀|'],
+    endMode: Mode.Insert,
+  });
+
   suite('<C-a>', () => {
     newTest({
       title: 'Basic <C-a> test',
diff --git a/test/vimscript/exCommandParse.test.ts b/test/vimscript/exCommandParse.test.ts
index 6a1ba176..bf693bb0 100644
--- a/test/vimscript/exCommandParse.test.ts
+++ b/test/vimscript/exCommandParse.test.ts
@@ -200,20 +200,14 @@ suite('Ex command parsing', () => {
   });
 
   suite(':dig[raphs]', () => {
-    exParseTest(':dig', new DigraphsCommand({ bang: false, newDigraphs: [] }));
-    exParseTest(':dig!', new DigraphsCommand({ bang: true, newDigraphs: [] }));
+    exParseTest(':dig', new DigraphsCommand({ bang: false, newDigraph: undefined }));
+    exParseTest(':dig!', new DigraphsCommand({ bang: true, newDigraph: undefined }));
+    exParseTest(':dig e: 235', new DigraphsCommand({ bang: false, newDigraph: ['e', ':', [235]] }));
     exParseTest(
-      ':dig e: 235',
-      new DigraphsCommand({ bang: false, newDigraphs: [['e', ':', 235]] }),
-    );
-    exParseTest(
-      ':dig e: 235 a: 238',
+      ':dig R! 55357 56960',
       new DigraphsCommand({
         bang: false,
-        newDigraphs: [
-          ['e', ':', 235],
-          ['a', ':', 238],
-        ],
+        newDigraph: ['R', '!', [55357, 56960]],
       }),
     );