diff --git a/src/api/handlers/guild.ts b/src/api/handlers/guild.ts
index da75af44d..b70e532ab 100644
--- a/src/api/handlers/guild.ts
+++ b/src/api/handlers/guild.ts
@@ -479,9 +479,8 @@ export async function swapRoles(guildID: string, rolePositons: PositionSwap) {
 
 /** Check how many members would be removed from the server in a prune operation. Requires the KICK_MEMBERS permission */
 export async function getPruneCount(guildID: string, options: PruneOptions) {
-  if (options.days < 1) {
-    throw new Error(Errors.PRUNE_MIN_DAYS);
-  }
+  if (options.days < 1) throw new Error(Errors.PRUNE_MIN_DAYS);
+  if (options.days > 30) throw new Error(Errors.PRUNE_MAX_DAYS);
 
   const hasPerm = await botHasPermission(guildID, ["KICK_MEMBERS"]);
   if (!hasPerm) {
@@ -498,9 +497,8 @@ export async function getPruneCount(guildID: string, options: PruneOptions) {
 
 /** Begin pruning all members in the given time period */
 export async function pruneMembers(guildID: string, options: PruneOptions) {
-  if (options.days < 1) {
-    throw new Error(Errors.PRUNE_MIN_DAYS);
-  }
+  if (options.days < 1) throw new Error(Errors.PRUNE_MIN_DAYS);
+  if (options.days > 30) throw new Error(Errors.PRUNE_MAX_DAYS);
 
   const hasPerm = await botHasPermission(guildID, ["KICK_MEMBERS"]);
   if (!hasPerm) {
diff --git a/src/types/errors.ts b/src/types/errors.ts
index 33b99d315..fe9582e7e 100644
--- a/src/types/errors.ts
+++ b/src/types/errors.ts
@@ -42,6 +42,7 @@ export enum Errors {
   RULES_CHANNEL_CANNOT_BE_DELETED = "RULES_CHANNEL_CANNOT_BE_DELETED",
   UPDATES_CHANNEL_CANNOT_BE_DELETED = "UPDATES_CHANNEL_CANNOT_BE_DELETED",
   GUILD_NOT_FOUND = "GUILD_NOT_FOUND",
+  PRUNE_MAX_DAYS = "PRUNE_MAX_DAYS",
   GUILD_NOT_DISCOVERABLE = "GUILD_NOT_DISCOVERABLE",
   MISSING_CHANGE_NICKNAME = "MISSING_CHANGE_NICKNAME",
 }
diff --git a/src/types/guild.ts b/src/types/guild.ts
index ffb727c9b..4e15e021e 100644
--- a/src/types/guild.ts
+++ b/src/types/guild.ts
@@ -535,7 +535,7 @@ export interface PrunePayload {
 }
 
 export interface PruneOptions {
-  /** number of days to count prune for (1 or more). Defaults to 7 days. */
+  /** number of days to count prune for (1 - 30). Defaults to 7 days. */
   days: number;
   /** Include members with these role ids */
   roles: string[];