diff --git a/cmake/bundle/windows/installer-Windows.iss.in b/cmake/bundle/windows/installer-Windows.iss.in
index e8545fc7..4cc709b6 100644
--- a/cmake/bundle/windows/installer-Windows.iss.in
+++ b/cmake/bundle/windows/installer-Windows.iss.in
@@ -19,6 +19,7 @@ DefaultGroupName={#MyAppName}
 OutputBaseFilename={#MyAppName}-{#MyAppVersion}-Windows-Installer
 Compression=lzma
 SolidCompression=yes
+DirExistsWarning=no
 
 [Languages]
 Name: "english"; MessagesFile: "compiler:Default.isl"