diff --git a/packages/select/src/components/select/select2.tsx b/packages/select/src/components/select/select2.tsx
index eefd0054c1..a72b2da5ce 100644
--- a/packages/select/src/components/select/select2.tsx
+++ b/packages/select/src/components/select/select2.tsx
@@ -302,8 +302,9 @@ export class Select2<T> extends AbstractPureComponent2<Select2Props<T>, Select2S
         const menuItemDismiss =
             menuItem?.matches(`.${Popover2Classes.POPOVER2_DISMISS}`) ||
             menuItem?.matches(`.${CoreClasses.POPOVER_DISMISS}`);
+        const shouldDismiss = menuItemDismiss ?? true;
 
-        this.setState({ isOpen: !menuItemDismiss ?? false });
+        this.setState({ isOpen: !shouldDismiss });
         this.props.onItemSelect?.(item, event);
     };
 
diff --git a/packages/select/test/select2Tests.tsx b/packages/select/test/select2Tests.tsx
index 90eb15e533..01c31beba4 100644
--- a/packages/select/test/select2Tests.tsx
+++ b/packages/select/test/select2Tests.tsx
@@ -15,11 +15,11 @@
  */
 
 import { assert } from "chai";
-import { mount } from "enzyme";
+import { HTMLAttributes, mount, ReactWrapper } from "enzyme";
 import * as React from "react";
 import * as sinon from "sinon";
 
-import { InputGroup, Keys, MenuItem } from "@blueprintjs/core";
+import { Button, Classes as CoreClasses, InputGroup, Keys, MenuItem } from "@blueprintjs/core";
 import { MenuItem2, Popover2 } from "@blueprintjs/popover2";
 
 import { ItemRendererProps, Select2, Select2Props, Select2State } from "../src";
@@ -105,7 +105,7 @@ describe("<Select2>", () => {
         const onOpening = sinon.spy();
         const modifiers = {}; // our own instance
         const wrapper = select({ popoverProps: { onOpening, modifiers } });
-        wrapper.find("[data-testid='target-button']").simulate("click");
+        findTargetButton(wrapper).simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("modifiers"), modifiers);
         assert.isTrue(onOpening.calledOnce);
     });
@@ -116,7 +116,7 @@ describe("<Select2>", () => {
         const wrapper = select({ popoverProps: { usePortal: false } });
         // should be closed to start
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
-        wrapper.find("[data-testid='target-button']").simulate("keydown", { which: Keys.ARROW_DOWN });
+        findTargetButton(wrapper).simulate("keydown", { which: Keys.ARROW_DOWN });
         // ...then open after key down
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
     });
@@ -128,6 +128,17 @@ describe("<Select2>", () => {
         assert.isTrue(handlers.onItemSelect.calledOnce);
     });
 
+    it("closes Popover2 after selecting active item with the Enter key", () => {
+        // override isOpen in defaultProps so that the popover can actually be closed
+        const wrapper = select({
+            popoverProps: { usePortal: true },
+        });
+        findTargetButton(wrapper).simulate("click");
+        wrapper.find("input").simulate("keydown", { keyCode: Keys.ENTER });
+        wrapper.find("input").simulate("keyup", { keyCode: Keys.ENTER });
+        assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
+    });
+
     // N.B. it's not worth refactoring these tests to be DRY since there will soon
     // only be 1 MenuItem component in Blueprint v5
 
@@ -141,11 +152,11 @@ describe("<Select2>", () => {
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
 
         // popover should open after clicking the button
-        wrapper.find("[data-testid='target-button']").simulate("click");
+        findTargetButton(wrapper).simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
 
         // and should close after the a menu item is clicked
-        wrapper.find(Popover2).find(".bp4-menu-item").first().simulate("click");
+        wrapper.find(Popover2).find(`.${CoreClasses.MENU_ITEM}`).first().simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
     });
 
@@ -159,11 +170,11 @@ describe("<Select2>", () => {
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
 
         // popover should open after clicking the button
-        wrapper.find("[data-testid='target-button']").simulate("click");
+        findTargetButton(wrapper).simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
 
         // and should not close after the a menu item is clicked
-        wrapper.find(Popover2).find(".bp4-menu-item").first().simulate("click");
+        wrapper.find(Popover2).find(`.${CoreClasses.MENU_ITEM}`).first().simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
     });
 
@@ -177,11 +188,11 @@ describe("<Select2>", () => {
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
 
         // popover should open after clicking the button
-        wrapper.find("[data-testid='target-button']").simulate("click");
+        findTargetButton(wrapper).simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
 
         // and should close after the a menu item is clicked
-        wrapper.find(Popover2).find(".bp4-menu-item").first().simulate("click");
+        wrapper.find(Popover2).find(`.${CoreClasses.MENU_ITEM}`).first().simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
     });
 
@@ -195,18 +206,18 @@ describe("<Select2>", () => {
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), false);
 
         // popover should open after clicking the button
-        wrapper.find("[data-testid='target-button']").simulate("click");
+        findTargetButton(wrapper).simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
 
         // and should not close after the a menu item is clicked
-        wrapper.find(Popover2).find(".bp4-menu-item").first().simulate("click");
+        wrapper.find(Popover2).find(`.${CoreClasses.MENU_ITEM}`).first().simulate("click");
         assert.strictEqual(wrapper.find(Popover2).prop("isOpen"), true);
     });
 
     function select(props: Partial<Select2Props<Film>> = {}, query?: string) {
         const wrapper = mount(
             <Select2<Film> {...defaultProps} {...handlers} {...props}>
-                <button data-testid="target-button">Target</button>
+                <Button data-testid="target-button" text="Target" />
             </Select2>,
             { attachTo: testsContainerElement },
         );
@@ -215,6 +226,10 @@ describe("<Select2>", () => {
         }
         return wrapper;
     }
+
+    function findTargetButton(wrapper: ReactWrapper): ReactWrapper<HTMLAttributes> {
+        return wrapper.find("[data-testid='target-button']").hostNodes();
+    }
 });
 
 function filterByYear(query: string, film: Film) {