diff --git a/lamassu-next/devenv.nix b/lamassu-next/devenv.nix
index 49c8eb2..532c9a5 100644
--- a/lamassu-next/devenv.nix
+++ b/lamassu-next/devenv.nix
@@ -320,6 +320,11 @@
       echo "═══════════════════════════════════════════════════════════"
       echo ""
 
+      # Mine a block to wake up LND sync (regtest quirk: LND reports
+      # "not synced" when no blocks mined recently)
+      docker exec lamassu-bitcoind bitcoin-cli -regtest -rpcuser=lamassu -rpcpassword=lamassu -generate 1 >/dev/null 2>&1
+      sleep 1
+
       PASSED=0
       FAILED=0