diff --git a/mingw-w64-crypto++/PKGBUILD b/mingw-w64-crypto++/PKGBUILD
index 6885a4a2d7..c89e71795f 100644
--- a/mingw-w64-crypto++/PKGBUILD
+++ b/mingw-w64-crypto++/PKGBUILD
@@ -2,7 +2,7 @@
 
 _realname=crypto++
 
-pkgname="${_realname}"
+pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=5.6.2
 pkgrel=1
 pkgdesc="Crypto++ Library is a free C++ class library of cryptographic schemes."