diff --git a/src/install/meshlab-64bit.nsi b/src/install/meshlab-64bit.nsi
index 087937176..bce3940cf 100644
--- a/src/install/meshlab-64bit.nsi
+++ b/src/install/meshlab-64bit.nsi
@@ -163,9 +163,9 @@ Section "MainSection" SEC01
   SetOutPath "$INSTDIR\samples\images"
   File "${DISTRIB_FOLDER}/sample\images\duckCM.jpg"
   SetOutPath "$INSTDIR\imageformats"
-  File ${QT_BASE}\plugins\imageformats\qjpeg.dll
-  File ${QT_BASE}\plugins\imageformats\qgif.dll
-  File ${QT_BASE}\plugins\imageformats\qtiff.dll
+  File "${QT_BASE}\plugins\imageformats\qjpeg.dll"
+  File "${QT_BASE}\plugins\imageformats\qgif.dll"
+  File "${QT_BASE}\plugins\imageformats\qtiff.dll"
    SetOutPath "$INSTDIR\platforms"
   File "${QT_BASE}\plugins\platforms\qminimal.dll"
   File "${QT_BASE}\plugins\platforms\qwindows.dll"