diff --git a/github/resource_github_repository_environment.go b/github/resource_github_repository_environment.go
index 7041e94f13..318159c989 100644
--- a/github/resource_github_repository_environment.go
+++ b/github/resource_github_repository_environment.go
@@ -232,6 +232,12 @@ func resourceGithubRepositoryEnvironmentRead(ctx context.Context, d *schema.Reso
 		return diag.FromErr(err)
 	}
 
+	// Default prevent_self_review to false; it will be overwritten if the
+	// required_reviewers protection rule is present in the API response.
+	if err := d.Set("prevent_self_review", false); err != nil {
+		return diag.FromErr(err)
+	}
+
 	for _, pr := range env.ProtectionRules {
 		switch pr.GetType() {
 		case "wait_timer":
@@ -264,7 +270,7 @@ func resourceGithubRepositoryEnvironmentRead(ctx context.Context, d *schema.Reso
 				return diag.FromErr(err)
 			}
 
-			if err = d.Set("prevent_self_review", pr.PreventSelfReview); err != nil {
+			if err = d.Set("prevent_self_review", pr.GetPreventSelfReview()); err != nil {
 				return diag.FromErr(err)
 			}
 		}
diff --git a/github/resource_github_repository_environment_test.go b/github/resource_github_repository_environment_test.go
index 410ac61586..d14a4286bf 100644
--- a/github/resource_github_repository_environment_test.go
+++ b/github/resource_github_repository_environment_test.go
@@ -243,7 +243,7 @@ resource "github_repository_environment" "test" {
 		})
 	})
 
-	t.Run("import", func(t *testing.T) {
+	t.Run("import_without_reviewers", func(t *testing.T) {
 		t.Parallel()
 
 		randomID := acctest.RandStringFromCharSet(5, acctest.CharSetAlphaNum)
@@ -272,10 +272,12 @@ resource "github_repository_environment" "test" {
 					},
 				},
 				{
+					// The API omits required_reviewers when none are configured, but
+					// prevent_self_review must still be populated during import.
 					ResourceName:            "github_repository_environment.test",
 					ImportState:             true,
 					ImportStateVerify:       true,
-					ImportStateVerifyIgnore: []string{"can_admins_bypass", "prevent_self_review", "reviewers", "wait_timer", "deployment_branch_policy"},
+					ImportStateVerifyIgnore: []string{"can_admins_bypass", "reviewers", "wait_timer", "deployment_branch_policy"},
 				},
 			},
 		})