diff --git a/packages/stargate/src/testutils.spec.ts b/packages/stargate/src/testutils.spec.ts
index bc5c5c00f0..fa9524adba 100644
--- a/packages/stargate/src/testutils.spec.ts
+++ b/packages/stargate/src/testutils.spec.ts
@@ -20,9 +20,9 @@ export function makeRandomAddress(): string {
 }
 
 export const simapp = {
-  tendermintUrl: "localhost:26657",
-  tendermintUrlWs: "ws://localhost:26657",
-  tendermintUrlHttp: "http://localhost:26657",
+  tendermintUrl: "localhost:26658",
+  tendermintUrlWs: "ws://localhost:26658",
+  tendermintUrlHttp: "http://localhost:26658",
   chainId: "simd-testing",
   denomStaking: "ustake",
   denomFee: "ucosm",
diff --git a/scripts/simapp/start.sh b/scripts/simapp/start.sh
index bdf48095ae..858fba4c7b 100755
--- a/scripts/simapp/start.sh
+++ b/scripts/simapp/start.sh
@@ -4,7 +4,7 @@ command -v shellcheck > /dev/null && shellcheck "$0"
 
 # Please keep this in sync with the Ports overview in HACKING.md
 TENDERMINT_PORT_GUEST="26657"
-TENDERMINT_PORT_HOST="26657"
+TENDERMINT_PORT_HOST="26658"
 API_PORT_GUEST="1317"
 API_PORT_HOST="1318"