diff --git a/tests/integration/rpsc-test.nix b/tests/integration/rpsc-test.nix
index 7464afa..de472df 100644
--- a/tests/integration/rpsc-test.nix
+++ b/tests/integration/rpsc-test.nix
@@ -38,10 +38,10 @@ let
       # The trailing line break that is generated by `wg genkey` and `wg pubkey` breaks the script rp-key-sync.nix to copy the preshared keys.
       # We therefore remove the trailing spaces here.
       privateKey = pkgs.runCommand "wg-private-${name}" { } ''
-        ${pkgs.wireguard-tools}/bin/wg genkey | tr -d '\n' > $out
+        ${pkgs.wireguard-tools}/bin/wg genkey > $out
       '';
       publicKey = pkgs.runCommand "wg-public-${name}" { } ''
-        cat ${privateKey} | ${pkgs.wireguard-tools}/bin/wg pubkey | tr -d '\n' > $out
+        cat ${privateKey} | ${pkgs.wireguard-tools}/bin/wg pubkey > $out
       '';
     in
     {
@@ -73,8 +73,8 @@ let
     {
       peerA = {
         innerIp = "10.100.0.1";
-        privateKey = builtins.readFile peerAWgKeys.privateKey;
-        publicKey = builtins.readFile peerAWgKeys.publicKey;
+        privateKey = lib.removeSuffix "\n" (builtins.readFile peerAWgKeys.privateKey);
+        publicKey = lib.removeSuffix "\n" (builtins.readFile peerAWgKeys.publicKey);
         rosenpassConfig = builtins.toFile "peer-a.toml" (
           ''
             public_key = "${rosenpassKeyFolder}/self.pk"
@@ -97,8 +97,8 @@ let
       };
       peerB = {
         innerIp = "10.100.0.2";
-        privateKey = builtins.readFile peerBWgKeys.privateKey;
-        publicKey = builtins.readFile peerBWgKeys.publicKey;
+        privateKey = lib.removeSuffix "\n" (builtins.readFile peerBWgKeys.privateKey);
+        publicKey = lib.removeSuffix "\n" (builtins.readFile peerBWgKeys.publicKey);
         rosenpassConfig = builtins.toFile "peer-b.toml" (
           ''
             public_key = "${rosenpassKeyFolder}/self.pk"
@@ -124,8 +124,8 @@ let
       # peerC is only defined if we are in a multiPeer context.
       peerC = {
         innerIp = "10.100.0.3";
-        privateKey = builtins.readFile peerCWgKeys.privateKey;
-        publicKey = builtins.readFile peerCWgKeys.publicKey;
+        privateKey = lib.removeSuffix "\n" (builtins.readFile peerCWgKeys.privateKey);
+        publicKey = lib.removeSuffix "\n" (builtins.readFile peerCWgKeys.publicKey);
         rosenpassConfig = builtins.toFile "peer-c.toml" ''
           public_key = "${rosenpassKeyFolder}/self.pk"
           secret_key = "${rosenpassKeyFolder}/self.sk"