diff --git a/lib/rucaptcha/espeak.rb b/lib/rucaptcha/espeak.rb
index 2af5fac..55adf9f 100644
--- a/lib/rucaptcha/espeak.rb
+++ b/lib/rucaptcha/espeak.rb
@@ -4,7 +4,7 @@ module RuCaptcha
     require 'fileutils'
     EspeakDataDir = "#{ENV['HOME']}/espeak-ng-data"
     EspeakBuildDir = "#{ENV['HOME']}/.espeak_build"
-    EspeakLibDir = "#{ENV['HOME']}/shared_library"
+    EspeakLibDir = "#{ENV['HOME']}/.espeak_build/shared_library"
     unless Dir.exist?(EspeakDataDir)
       FileUtils.cp_r(File.expand_path("../../../resources/espeak-ng-data", __FILE__), EspeakDataDir)
     end
@@ -79,7 +79,7 @@ module RuCaptcha
       cmd << " -g #{gap}" unless @gap.nil?
       cmd << " -v '#{voice}'" unless @voice.nil?
       cmd << " -w #{wav_file} ' #{code}'"
-      system({'LD_LIBRARY_PATH'=>"#{ENV['HOME']}/.espeak_build/shared_library"}, cmd)
+      system({'LD_LIBRARY_PATH'=>EspeakLibDir}, cmd)
       true
     end