diff --git a/builder-product.cfg b/builder-product.cfg
index 90d12a6..a52cb90 100644
--- a/builder-product.cfg
+++ b/builder-product.cfg
@@ -19,8 +19,8 @@ TYPE="public"
 DL_FILE[0]="putty_by_apathy22.png"
 DL_SOURCE[0]="http://fc03.deviantart.net/fs8/i/2005/302/a/0/putty_by_apathy22.png"
 
-DL_FILE[1]="putty-$VERSION-installer.exe"
-DL_SOURCE[1]="http://the.earth.li/~sgtatham/putty/latest/x86/putty-$VERSION-installer.exe"
+DL_FILE[1]="putty-${VERSION}-installer.exe"
+DL_SOURCE[1]="http://the.earth.li/~sgtatham/putty/latest/x86/putty-${VERSION}-installer.exe"
 DL_ARCH[1]="X86"
 DL_WINST_NAME[1]="InstallExe"