diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea3283f9e..909a72877 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ This changelog format is based on [Keep a Changelog](https://keepachangelog.com/
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased](https://github.com/eth-brownie/brownie)
+### Fixed
+- Recursively kill all RPC child processes on exit ([#1200](https://github.com/eth-brownie/brownie/pull/1200))
 
 ## [1.16.0](https://github.com/eth-brownie/brownie/tree/v1.16.0) - 2021-08-08
 ### Added
diff --git a/brownie/data/network-config.yaml b/brownie/data/network-config.yaml
index 3c730ca75..1cbe14fcb 100644
--- a/brownie/data/network-config.yaml
+++ b/brownie/data/network-config.yaml
@@ -121,6 +121,7 @@ development:
     id: hardhat-fork
     cmd: npx hardhat node
     host: http://127.0.0.1
+    timeout: 120
     cmd_settings:
       port: 8545
       fork: mainnet
diff --git a/brownie/network/rpc/__init__.py b/brownie/network/rpc/__init__.py
index 9b9bbffa7..e9750955f 100644
--- a/brownie/network/rpc/__init__.py
+++ b/brownie/network/rpc/__init__.py
@@ -138,7 +138,7 @@ def kill(self, exc: bool = True) -> None:
             print("Terminating local RPC client...")
         except ValueError:
             pass
-        for child in self.process.children():
+        for child in self.process.children(recursive=True):
             try:
                 child.kill()
             except psutil.NoSuchProcess: