diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index 8b75866736b..3ac0c7d280a 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -50,7 +50,7 @@ static const WCHAR ClassGUID[]  = {'C','l','a','s','s','G','U','I','D',0};
 static const WCHAR Class[]  = {'C','l','a','s','s',0};
 static const WCHAR ClassInstall32[]  = {'C','l','a','s','s','I','n','s','t','a','l','l','3','2',0};
 static const WCHAR NoDisplayClass[]  = {'N','o','D','i','s','p','l','a','y','C','l','a','s','s',0};
-static const WCHAR NoInstallClass[]  = {'N','o','I','s','t','a','l','l','C','l','a','s','s',0};
+static const WCHAR NoInstallClass[]  = {'N','o','I','n','s','t','a','l','l','C','l','a','s','s',0};
 static const WCHAR NoUseClass[]  = {'N','o','U','s','e','C','l','a','s','s',0};
 static const WCHAR NtExtension[]  = {'.','N','T',0};
 static const WCHAR NtPlatformExtension[]  = {'.','N','T','x','8','6',0};