diff --git a/src/logging/NullLogger.ts b/src/logging/NullLogger.ts
index bf7b3f40..83e5fc00 100644
--- a/src/logging/NullLogger.ts
+++ b/src/logging/NullLogger.ts
@@ -21,7 +21,7 @@ function noop (): void {}
 export class NullLogger implements ILogger {
     public readonly item: ILogItem = new NullLogItem(this);
 
-    log(): ILogItem {
+    log(labelOrValues: LabelOrValues): ILogItem {
         return this.item;
     }
 
@@ -37,7 +37,7 @@ export class NullLogger implements ILogger {
 
     forceFinish(): void {}
 
-    child(): ILogItem  {
+    child(labelOrValues: LabelOrValues): ILogItem  {
         return this.item;
     }
 
@@ -83,11 +83,11 @@ export class NullLogItem implements ILogItem {
     }
 
 
-    log(): ILogItem {
+    log(labelOrValues: LabelOrValues): ILogItem {
         return this;
     }
     
-    set(): ILogItem { return this; }
+    set(labelOrValues: LabelOrValues): ILogItem { return this; }
 
     runDetached(_: LabelOrValues, callback: LogCallback<unknown>): ILogItem {
         new Promise(r => r(callback(this))).then(noop, noop);
diff --git a/src/matrix/calls/group/Member.ts b/src/matrix/calls/group/Member.ts
index daada4af..0a0e697c 100644
--- a/src/matrix/calls/group/Member.ts
+++ b/src/matrix/calls/group/Member.ts
@@ -511,7 +511,8 @@ export function tests() {
                 feeds: [{purpose: "m.usermedia"}]
             };
             const roomMember = RoomMember.fromUserId("!abc", "@bruno4:matrix.org", "join");
-            const turnServer = new ObservableValue({});
+            const turnServer = new ObservableValue({}) as ObservableValue<RTCIceServer>;
+            // @ts-ignore
             const options = {
                 confId: "conf",
                 ownUserId: "@foobaraccount2:matrix.org",
@@ -529,7 +530,8 @@ export function tests() {
             const member = new Member(roomMember, callDeviceMembership, options, logger.child("member"));
             member.connect(new MockMedia() as LocalMedia, new MuteSettings(), turnServer, logger.child("connect"));
             // pretend we've already received 3 messages
-            member.connection.lastProcessedSeqNr = 2;
+            // @ts-ignore
+            member.connection!.lastProcessedSeqNr = 2;
             // send hangup with seq=3, this will enqueue the message because there is no peerCall
             // as it's up to @bruno4:matrix.org to send the invite
             const hangup = {
@@ -545,7 +547,7 @@ export function tests() {
                   "sender_session_id": "s1d5863f41ec5a5",
                   "dest_session_id": "s1cece7088b9d35"
                 }
-            };
+            } as SignallingMessage<MGroupCallBase>;
             member.handleDeviceMessage(hangup, logger.child("handle hangup"));
             // Send an invite with seq=4, this will create a new peer call with a the call id
             // when dequeueing the hangup from before, it'll get ignored because it is
@@ -574,9 +576,10 @@ export function tests() {
                   "sender_session_id": "s1d5863f41ec5a5",
                   "dest_session_id": "s1cece7088b9d35"
                 }
-            };
+            } as SignallingMessage<MGroupCallBase>;
             member.handleDeviceMessage(invite, logger.child("handle invite"));
-            assert.equal(member.connection.queuedSignallingMessages.length, 0);
+            // @ts-ignore
+            assert.equal(member.connection!.queuedSignallingMessages.length, 0);
             // logger.reporters[0].printOpenItems();
         }
     };