3 files changed, 3 insertions, 3 deletions
diff --git a/Userland/Libraries/LibCore/AnonymousBuffer.h b/Userland/Libraries/LibCore/AnonymousBuffer.h
index e4784281f2..6475e9026a 100644
--- a/Userland/Libraries/LibCore/AnonymousBuffer.h
+++ b/Userland/Libraries/LibCore/AnonymousBuffer.h
@@ -75,7 +75,7 @@ private:
 namespace IPC {
 
 template<>
-bool encode(Encoder&, Core::AnonymousBuffer const&);
+ErrorOr<void> encode(Encoder&, Core::AnonymousBuffer const&);
 
 template<>
 ErrorOr<Core::AnonymousBuffer> decode(Decoder&);
diff --git a/Userland/Libraries/LibCore/DateTime.h b/Userland/Libraries/LibCore/DateTime.h
index 3c8879034f..78a9365551 100644
--- a/Userland/Libraries/LibCore/DateTime.h
+++ b/Userland/Libraries/LibCore/DateTime.h
@@ -69,7 +69,7 @@ struct Formatter<Core::DateTime> : StandardFormatter {
 namespace IPC {
 
 template<>
-bool encode(Encoder&, Core::DateTime const&);
+ErrorOr<void> encode(Encoder&, Core::DateTime const&);
 
 template<>
 ErrorOr<Core::DateTime> decode(Decoder&);
diff --git a/Userland/Libraries/LibCore/Proxy.h b/Userland/Libraries/LibCore/Proxy.h
index 780114c3fb..a427569dd1 100644
--- a/Userland/Libraries/LibCore/Proxy.h
+++ b/Userland/Libraries/LibCore/Proxy.h
@@ -54,7 +54,7 @@ struct ProxyData {
 namespace IPC {
 
 template<>
-bool encode(Encoder&, Core::ProxyData const&);
+ErrorOr<void> encode(Encoder&, Core::ProxyData const&);
 
 template<>
 ErrorOr<Core::ProxyData> decode(Decoder&);