diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1196,23 +1196,30 @@
 
 /** Abort with a message */
 static bool AbortNode(const std::string &strMessage,
-                      const std::string &userMessage = "") {
+                      const std::string &userMessage = "",
+                      unsigned int prefix = 0) {
     SetMiscWarning(strMessage);
     LogPrintf("*** %s\n", strMessage);
-    uiInterface.ThreadSafeMessageBox(
-        userMessage.empty() ? _("Error: A fatal internal error occurred, see "
-                                "debug.log for details")
-                                  .translated
-                            : userMessage,
-        "", CClientUIInterface::MSG_ERROR);
+    if (!userMessage.empty()) {
+        uiInterface.ThreadSafeMessageBox(
+            userMessage, "", CClientUIInterface::MSG_ERROR | prefix);
+    } else {
+        uiInterface.ThreadSafeMessageBox(
+            _("Error: A fatal internal error occurred, see debug.log for "
+              "details")
+                .translated,
+            "",
+            CClientUIInterface::MSG_ERROR | CClientUIInterface::MSG_NOPREFIX);
+    }
     StartShutdown();
     return false;
 }
 
 static bool AbortNode(BlockValidationState &state,
                       const std::string &strMessage,
-                      const std::string &userMessage = "") {
-    AbortNode(strMessage, userMessage);
+                      const std::string &userMessage = "",
+                      unsigned int prefix = 0) {
+    AbortNode(strMessage, userMessage, prefix);
     return state.Error(strMessage);
 }
 
@@ -1928,8 +1935,10 @@
             if (fDoFullFlush || fPeriodicWrite) {
                 // Depend on nMinDiskSpace to ensure we can write block index
                 if (!CheckDiskSpace(GetBlocksDir())) {
-                    return AbortNode(state, "Disk space is low!",
-                                     _("Error: Disk space is low!").translated);
+                    return AbortNode(
+                        state, "Disk space is too low!",
+                        _("Error: Disk space is too low!").translated,
+                        CClientUIInterface::MSG_NOPREFIX);
                 }
 
                 // First make sure all block and undo data is flushed to disk.
@@ -1977,8 +1986,10 @@
                 // factor of 2.
                 if (!CheckDiskSpace(GetDataDir(),
                                     48 * 2 * 2 * pcoinsTip->GetCacheSize())) {
-                    return AbortNode(state, "Disk space is low!",
-                                     _("Error: Disk space is low!").translated);
+                    return AbortNode(
+                        state, "Disk space is too low!",
+                        _("Error: Disk space is too low!").translated,
+                        CClientUIInterface::MSG_NOPREFIX);
                 }
 
                 // Flush the chainstate (which may refer to block index
@@ -3339,8 +3350,9 @@
         size_t bytes_allocated =
             BlockFileSeq().Allocate(pos, nAddSize, out_of_space);
         if (out_of_space) {
-            return AbortNode("Disk space is low!",
-                             _("Error: Disk space is low!").translated);
+            return AbortNode("Disk space is too low!",
+                             _("Error: Disk space is too low!").translated,
+                             CClientUIInterface::MSG_NOPREFIX);
         }
         if (bytes_allocated != 0 && fPruneMode) {
             fCheckForPruning = true;
@@ -3365,8 +3377,9 @@
     size_t bytes_allocated =
         UndoFileSeq().Allocate(pos, nAddSize, out_of_space);
     if (out_of_space) {
-        return AbortNode(state, "Disk space is low!",
-                         _("Error: Disk space is low!").translated);
+        return AbortNode(state, "Disk space is too low!",
+                         _("Error: Disk space is too low!").translated,
+                         CClientUIInterface::MSG_NOPREFIX);
     }
     if (bytes_allocated != 0 && fPruneMode) {
         fCheckForPruning = true;