diff --git a/release/makepkgdmg.sh b/release/makepkgdmg.sh
index 49ccad1..009d5ce 100755
--- a/release/makepkgdmg.sh
+++ b/release/makepkgdmg.sh
@@ -7,6 +7,7 @@ fi
 
 VERSION=$1
 MAINNAME="PaulXStretch"
+MAINNAMELC="paulxstretch"
 
 rm -f ${MAINNAME}Pkg.dmg
 
@@ -15,7 +16,7 @@ rm -f ${MAINNAME}Pkg.dmg
 if dropdmg --config-name=${MAINNAME}Pkg --layout-folder ${MAINNAME}PkgLayout --volume-name="${MAINNAME} v${VERSION}"  --APP_VERSION=v${VERSION}  --signing-identity=C7AF15C3BCF2AD2E5C102B9DB6502CFAE2C8CF3B ${MAINNAME}Pkg
 then
   mkdir -p ${VERSION}
-  mv -v ${MAINNAME}Pkg.dmg ${VERSION}/${MAINNAME}-${VERSION}-mac.dmg  	
+  mv -v ${MAINNAME}Pkg.dmg ${VERSION}/${MAINNAMELC}-${VERSION}-mac.dmg
 else
   echo "Error making package DMG"
   exit 2