diff --git a/src/SPC/builder/traits/UnixLibraryTrait.php b/src/SPC/builder/traits/UnixLibraryTrait.php
index b1688689..f924157d 100644
--- a/src/SPC/builder/traits/UnixLibraryTrait.php
+++ b/src/SPC/builder/traits/UnixLibraryTrait.php
@@ -75,7 +75,7 @@ trait UnixLibraryTrait
             logger()->debug('Patching ' . $realpath);
             // replace prefix
             $file = FileSystem::readFile($realpath);
-            $file = ($patch_option & PKGCONF_PATCH_PREFIX) === PKGCONF_PATCH_PREFIX ? preg_replace('/^prefix\s*=.*$/m', 'prefix=${pcfiledir}/../..', $file) : $file;
+            $file = ($patch_option & PKGCONF_PATCH_PREFIX) === PKGCONF_PATCH_PREFIX ? preg_replace('/^prefix\s*=.*$/m', 'prefix=' . BUILD_ROOT_PATH, $file) : $file;
             $file = ($patch_option & PKGCONF_PATCH_EXEC_PREFIX) === PKGCONF_PATCH_EXEC_PREFIX ? preg_replace('/^exec_prefix\s*=.*$/m', 'exec_prefix=${prefix}', $file) : $file;
             $file = ($patch_option & PKGCONF_PATCH_LIBDIR) === PKGCONF_PATCH_LIBDIR ? preg_replace('/^libdir\s*=.*$/m', 'libdir=${prefix}/lib', $file) : $file;
             $file = ($patch_option & PKGCONF_PATCH_INCLUDEDIR) === PKGCONF_PATCH_INCLUDEDIR ? preg_replace('/^includedir\s*=.*$/m', 'includedir=${prefix}/include', $file) : $file;