diff --git a/win32port/libwebsockets.nsi b/win32port/libwebsockets.nsi
index a2de0ef9c..2d77765a0 100644
--- a/win32port/libwebsockets.nsi
+++ b/win32port/libwebsockets.nsi
@@ -39,10 +39,10 @@ Section "Files" SecInstall
 	File "..\README.build.md"
 	File "..\README.coding.md"
 	File "..\README.test-apps.md"
-	File "..\build\bin\Release\libwebsockets-test-client.exe"
-	File "..\build\bin\Release\libwebsockets-test-echo.exe"
-	File "..\build\bin\Release\libwebsockets-test-fraggle.exe"
-	File "..\build\bin\Release\libwebsockets-test-ping.exe"
+	File /nonfatal "..\build\bin\Release\libwebsockets-test-client.exe"
+	File /nonfatal "..\build\bin\Release\libwebsockets-test-echo.exe"
+	File /nonfatal "..\build\bin\Release\libwebsockets-test-fraggle.exe"
+	File /nonfatal "..\build\bin\Release\libwebsockets-test-ping.exe"
 	File /nonfatal "..\build\bin\Release\libwebsockets-test-server.exe"
 	File /nonfatal "..\build\bin\Release\libwebsockets-test-server-extpoll.exe"
 	File "..\build\bin\Release\websockets_shared.dll"