diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -83,6 +83,14 @@
 
 namespace GUIUtil {
 
+/**
+ * Highest service flag bit to consider for display in pee details view.
+ * Correspondig bits are whether translated to some human readable text
+ * (e.g. NODE_NETWORK is displayed as "NETWORK") or as "UNKNOWN" with the bit
+ * position.
+ */
+static const uint64_t NODE_LAST_SERVICE_BIT = NODE_NETWORK_LIMITED;
+
 QString dateTimeStr(const QDateTime &date) {
     return date.date().toString(Qt::SystemLocaleShortDate) + QString(" ") +
            date.toString("hh:mm");
@@ -887,9 +895,8 @@
 QString formatServicesStr(quint64 mask) {
     QStringList strList;
 
-    // Just scan the last 11 bits for now.
-    for (int i = 0; i < 11; i++) {
-        uint64_t check = 1 << i;
+    // Just scan up to NODE_LAST_SERVICE_BIT for now.
+    for (uint64_t check = 1; check <= NODE_LAST_SERVICE_BIT; check <<= 1) {
         if (mask & check) {
             switch (check) {
                 case NODE_NETWORK: