diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp
--- a/src/qt/optionsdialog.cpp
+++ b/src/qt/optionsdialog.cpp
@@ -161,6 +161,14 @@
             showRestartWarning(true);
         }
 
+        // Prune values are in GB to be consistent with intro.cpp
+        static constexpr uint64_t nMinDiskSpace =
+            (MIN_DISK_SPACE_FOR_BLOCK_FILES / GB_BYTES) +
+                    (MIN_DISK_SPACE_FOR_BLOCK_FILES % GB_BYTES)
+                ? 1
+                : 0;
+        ui->pruneSize->setRange(nMinDiskSpace, std::numeric_limits<int>::max());
+
         QString strLabel = _model->getOverriddenByCommandLine();
         if (strLabel.isEmpty()) {
             strLabel = tr("none");
@@ -172,15 +180,6 @@
         mapper->toFirst();
 
         updateDefaultProxyNets();
-
-        // Prune values are in GB to be consistent with intro.cpp
-        static constexpr uint64_t nMinDiskSpace =
-            (MIN_DISK_SPACE_FOR_BLOCK_FILES / GB_BYTES) +
-                    (MIN_DISK_SPACE_FOR_BLOCK_FILES % GB_BYTES)
-                ? 1
-                : 0;
-        ui->pruneSize->setRange(nMinDiskSpace,
-                                _model->node().getAssumedBlockchainSize());
     }
 
     /* warn when one of the following settings changes by user action (placed