diff --git a/GNUmakefile b/GNUmakefile
index d697db0a..b7c8899f 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -103,9 +103,6 @@ BUILD_TYPES += \
 	androidrelease-x86_64
 all: out/TildeFriends-arm-debug.apk out/TildeFriends-arm-release.apk out/TildeFriends-x86-debug.apk out/TildeFriends-x86-release.apk out/TildeFriends-release.fdroid.apk
 endif
-ifeq ($(UNAME_S),Linux)
-all: appimage
-endif
 
 WINDOWS_TARGETS := \
 	out/windebug/tildefriends.exe \
@@ -231,6 +228,9 @@ $(IOSSIM_TARGETS): CFLAGS += -Ideps/openssl/ios/iossimulator-xcrun/usr/local/inc
 $(IOSSIM_TARGETS): LDFLAGS += -Ldeps/openssl/ios/iossimulator-xcrun/usr/local/lib
 
 ifeq ($(UNAME_M),x86_64)
+ifeq ($(UNAME_S),Linux)
+all: appimage
+endif
 ifneq ($(UNAME_S),Haiku)
 out/debug/tildefriends: CFLAGS += -fsanitize=address -fsanitize=undefined -fno-common
 out/debug/tildefriends: LDFLAGS += -fsanitize=address -fsanitize=undefined
diff --git a/src/ssb.c b/src/ssb.c
index fc1d0445..708a7a4e 100644
--- a/src/ssb.c
+++ b/src/ssb.c
@@ -113,7 +113,7 @@ typedef struct _tf_ssb_request_t
 	tf_ssb_callback_cleanup_t* cleanup;
 	void* user_data;
 	tf_ssb_connection_t* dependent_connection;
-	time_t last_active;
+	uint64_t last_active;
 	int32_t request_number;
 } tf_ssb_request_t;
 
@@ -364,7 +364,7 @@ typedef struct _tf_ssb_connection_t
 	int read_back_pressure;
 	int active_write_count;
 
-	time_t last_notified_active;
+	uint64_t last_notified_active;
 } tf_ssb_connection_t;
 
 static JSClassID _connection_class_id;
@@ -687,25 +687,35 @@ static bool _tf_ssb_connection_get_request_callback(tf_ssb_connection_t* connect
 static void _tf_ssb_request_activity_timer(uv_timer_t* timer)
 {
 	tf_ssb_t* ssb = timer->data;
-	time_t now = time(NULL);
+	uint64_t now_ms = uv_now(ssb->loop);
+	bool any_still_active = false;
 	for (tf_ssb_connection_t* connection = ssb->connections; connection; connection = connection->next)
 	{
 		bool any_changed = false;
-		bool last_notified_active = (now - connection->last_notified_active) * 1000 < k_rpc_active_ms;
+		bool last_notified_active = (now_ms - connection->last_notified_active) < k_rpc_active_ms;
 		for (int i = 0; i < connection->requests_count; i++)
 		{
-			bool last_active = (now - connection->requests[i].last_active) * 1000 <= k_rpc_active_ms;
+			bool last_active = (now_ms - connection->requests[i].last_active) < k_rpc_active_ms;
 			if (last_active != last_notified_active)
 			{
 				any_changed = true;
 			}
+			if (last_active)
+			{
+				any_still_active = true;
+			}
 		}
 		if (any_changed)
 		{
 			_tf_ssb_notify_connections_changed(ssb, k_tf_ssb_change_update, connection);
-			connection->last_notified_active = now;
+			connection->last_notified_active = now_ms;
 		}
 	}
+
+	if (any_still_active)
+	{
+		uv_timer_start(&ssb->request_activity_timer, _tf_ssb_request_activity_timer, k_rpc_active_ms, 0);
+	}
 }
 
 void tf_ssb_connection_add_request(tf_ssb_connection_t* connection, int32_t request_number, const char* name, tf_ssb_rpc_callback_t* callback, tf_ssb_callback_cleanup_t* cleanup,
@@ -713,14 +723,14 @@ void tf_ssb_connection_add_request(tf_ssb_connection_t* connection, int32_t requ
 {
 	tf_ssb_request_t* existing =
 		connection->requests_count ? bsearch(&request_number, connection->requests, connection->requests_count, sizeof(tf_ssb_request_t), _request_compare) : NULL;
-	time_t now = time(NULL);
+	uint64_t now_ms = uv_now(connection->ssb->loop);
 	if (existing)
 	{
 		assert(!existing->callback);
 		assert(!existing->cleanup);
 		assert(!existing->user_data);
 		assert(!existing->dependent_connection);
-		existing->last_active = now;
+		existing->last_active = now_ms;
 		existing->callback = callback;
 		existing->cleanup = cleanup;
 		existing->user_data = user_data;
@@ -735,7 +745,7 @@ void tf_ssb_connection_add_request(tf_ssb_connection_t* connection, int32_t requ
 			.cleanup = cleanup,
 			.user_data = user_data,
 			.dependent_connection = dependent_connection,
-			.last_active = now,
+			.last_active = now_ms,
 		};
 		snprintf(request.name, sizeof(request.name), "%s", name);
 		int index = tf_util_insert_index(&request_number, connection->requests, connection->requests_count, sizeof(tf_ssb_request_t), _request_compare);
@@ -753,7 +763,7 @@ void tf_ssb_connection_add_request(tf_ssb_connection_t* connection, int32_t requ
 		uv_timer_start(&connection->ssb->request_activity_timer, _tf_ssb_request_activity_timer, k_rpc_active_ms, 0);
 	}
 	_tf_ssb_notify_connections_changed(connection->ssb, k_tf_ssb_change_update, connection);
-	connection->last_notified_active = now;
+	connection->last_notified_active = now_ms;
 }
 
 static int _message_request_compare(const void* a, const void* b)
@@ -4226,12 +4236,13 @@ JSValue tf_ssb_connection_requests_to_object(tf_ssb_connection_t* connection)
 {
 	JSContext* context = connection->ssb->context;
 	JSValue object = JS_NewArray(context);
+	uint64_t now_ms = uv_now(connection->ssb->loop);
 	for (int i = 0; i < connection->requests_count; i++)
 	{
 		JSValue request = JS_NewObject(context);
 		JS_SetPropertyStr(context, request, "name", JS_NewString(context, connection->requests[i].name));
 		JS_SetPropertyStr(context, request, "request_number", JS_NewInt32(context, connection->requests[i].request_number));
-		JS_SetPropertyStr(context, request, "active", JS_NewBool(context, time(NULL) - connection->requests[i].last_active < 3));
+		JS_SetPropertyStr(context, request, "active", JS_NewBool(context, (now_ms - connection->requests[i].last_active) < k_rpc_active_ms));
 		JS_SetPropertyUint32(context, object, i, request);
 	}
 	return object;