diff --git a/src/validation.cpp b/src/validation.cpp
index 8bd23a0f1d721..434a4f1ea842a 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -4326,7 +4326,7 @@ bool LoadMempool(void)
     return true;
 }
 
-void DumpMempool(void)
+bool DumpMempool(void)
 {
     int64_t start = GetTimeMicros();
 
@@ -4346,7 +4346,7 @@ void DumpMempool(void)
     try {
         FILE* filestr = fsbridge::fopen(GetDataDir() / "mempool.dat.new", "wb");
         if (!filestr) {
-            return;
+            return false;
         }
 
         CAutoFile file(filestr, SER_DISK, CLIENT_VERSION);
@@ -4370,7 +4370,9 @@ void DumpMempool(void)
         LogPrintf("Dumped mempool: %gs to copy, %gs to dump\n", (mid-start)*0.000001, (last-mid)*0.000001);
     } catch (const std::exception& e) {
         LogPrintf("Failed to dump mempool: %s. Continuing anyway.\n", e.what());
+        return false;
     }
+    return true;
 }
 
 //! Guess how far we are in the verification process at the given block index
diff --git a/src/validation.h b/src/validation.h
index edb8eab894b19..ea30465b21564 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -475,7 +475,7 @@ static const unsigned int REJECT_HIGHFEE = 0x100;
 CBlockFileInfo* GetBlockFileInfo(size_t n);
 
 /** Dump the mempool to disk. */
-void DumpMempool();
+bool DumpMempool();
 
 /** Load the mempool from disk. */
 bool LoadMempool();