diff --git a/build/windows/installer/gimp-setup.iss b/build/windows/installer/gimp-setup.iss
index 04932a80f6..a9260ba58c 100644
--- a/build/windows/installer/gimp-setup.iss
+++ b/build/windows/installer/gimp-setup.iss
@@ -494,6 +494,7 @@ Type: filesandordirs; Name: "{app}\lib\python{#PYTHON_VERSION}\*"
 Type: filesandordirs; Name: "{app}\lib\python{#PREVIOUS_PYTHON_VERSION}\*"
 ;Wintel support was dropped in 3.2.2
 Type: filesandordirs; Name: "{app}\32\*"
+Type: filesandordirs; Name: "{app}\lib\gimp\{#GIMP_PKGCONFIG_VERSION}\plug-ins\twain\*"
 ;get previous GIMP icon name from uninstall name in Registry
 Type: files; Name: "{autoprograms}\{reg:HKA\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\GIMP-{#GIMP_MUTEX_VERSION}_is1,DisplayName|GIMP {#GIMP_MUTEX_VERSION}}.lnk"; Check: CheckRegValueExists('SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\GIMP-{#GIMP_MUTEX_VERSION}_is1','DisplayName')
 Type: files; Name: "{autodesktop}\{reg:HKA\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\GIMP-{#GIMP_MUTEX_VERSION}_is1,DisplayName|GIMP {#GIMP_MUTEX_VERSION}}.lnk"; Check: CheckRegValueExists('SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\GIMP-{#GIMP_MUTEX_VERSION}_is1','DisplayName')