diff --git a/meson.build b/meson.build
index 811758f..2bfeaac 100644
--- a/meson.build
+++ b/meson.build
@@ -5,6 +5,7 @@ project('libei', 'c',
   meson_version: '>= 0.57.0')
 
 pkgconfig = import('pkgconfig')
+fs = import('fs')
 
 cc = meson.get_compiler('c')
 cflags =[
diff --git a/test/meson.build b/test/meson.build
index 33aa14a..18f3baa 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -51,7 +51,7 @@ if build_oeffis
                    dependencies: deps_liboeffis + [dep_unittest]))
 
     env = environment()
-    env.set('LD_LIBRARY_PATH', meson.project_build_root())
+    env.set('LD_LIBRARY_PATH', fs.parent(lib_liboeffis.full_path()))
     pymod = import('python')
     pymod.find_installation('python3', modules: ['pytest', 'attr', 'dbusmock'])
     pytest = find_program('pytest-3', 'pytest')