diff --git a/crates/ruma-common/CHANGELOG.md b/crates/ruma-common/CHANGELOG.md
index ffeac0eb..e255e355 100644
--- a/crates/ruma-common/CHANGELOG.md
+++ b/crates/ruma-common/CHANGELOG.md
@@ -1,5 +1,11 @@
 # [unreleased]
 
+Bug fixes:
+
+* Change default `invite` power level to `0`
+  * The spec was determined to be wrong about the default:
+    <https://github.com/matrix-org/matrix-spec/pull/1021>
+
 Breaking changes:
 
 * Several ruma crates have been merged into `ruma-common`
diff --git a/crates/ruma-common/src/events/room/power_levels.rs b/crates/ruma-common/src/events/room/power_levels.rs
index b1784510..c9afc4db 100644
--- a/crates/ruma-common/src/events/room/power_levels.rs
+++ b/crates/ruma-common/src/events/room/power_levels.rs
@@ -67,7 +67,7 @@ pub struct RoomPowerLevelsEventContent {
         feature = "compat",
         serde(deserialize_with = "crate::serde::deserialize_v1_powerlevel")
     )]
-    #[serde(default = "default_power_level", skip_serializing_if = "is_default_power_level")]
+    #[serde(default, skip_serializing_if = "crate::serde::is_default")]
     pub invite: Int,
 
     /// The level required to kick a user.
@@ -147,13 +147,13 @@ impl RoomPowerLevelsEventContent {
         Self {
             ban: default_power_level(),
             events: BTreeMap::new(),
-            events_default: Int::default(),
-            invite: default_power_level(),
+            events_default: int!(0),
+            invite: int!(0),
             kick: default_power_level(),
             redact: default_power_level(),
             state_default: default_power_level(),
             users: BTreeMap::new(),
-            users_default: Int::default(),
+            users_default: int!(0),
             notifications: NotificationPowerLevels::default(),
         }
     }
@@ -193,7 +193,7 @@ mod tests {
                 ban: default,
                 events: BTreeMap::new(),
                 events_default: int!(0),
-                invite: default,
+                invite: int!(0),
                 kick: default,
                 redact: default,
                 state_default: default,