diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 76170c32018dda..419c89319d747d 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -59,6 +59,10 @@ static UniValue GetNetworkHashPS(int lookup, int height, const CChain& active_ch
         pb = active_chain[height];
     }
 
+    if (height > active_chain.Height()) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, "Block does not exist at specified height");
+    }
+
     if (pb == nullptr || !pb->nHeight)
         return 0;
 
diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py
index 18a0a0c6ccedc7..2871a9faaf79be 100755
--- a/test/functional/rpc_blockchain.py
+++ b/test/functional/rpc_blockchain.py
@@ -448,6 +448,11 @@ def _test_getnetworkhashps(self):
             """).strip(),
             lambda: self.nodes[0].getnetworkhashps("a", []),
         )
+        assert_raises_rpc_error(
+            -8,
+            textwrap.dedent("Block does not exist at specified height").strip(),
+            lambda: self.nodes[0].getnetworkhashps(100, 99999999),
+        )
         # This should be 2 hashes every 10 minutes or 1/300
         assert abs(hashes_per_second * 300 - 1) < 0.0001