diff -Nru src/org/omegat/core/spellchecker/SpellCheckerHunspell.java src/org/omegat-gil/core/spellchecker/SpellCheckerHunspell.java
--- src/org/omegat/core/spellchecker/SpellCheckerHunspell.java	2011-01-18 16:34:24.000000000 +0100
+++ src/org/omegat-gil/core/spellchecker/SpellCheckerHunspell.java	2011-03-10 19:25:03.000000000 +0100
@@ -76,8 +76,7 @@
                 libraryPath = Native.getWebStartLibraryPath(OConsts.SPELLCHECKER_LIBRARY_NAME)
                         + File.separator + mapLibraryName(OConsts.SPELLCHECKER_LIBRARY_NAME);
             } else {
-                libraryPath = StaticUtils.installDir() + File.separator + OConsts.NATIVE_LIBRARY_DIR
-                        + File.separator + mapLibraryName(OConsts.SPELLCHECKER_LIBRARY_NAME);
+                libraryPath = OConsts.SPELLCHECKER_LIBRARY_PATH;
             }
 
             hunspell = (Hunspell) Native.loadLibrary(libraryPath, Hunspell.class);
diff -Nru src/org/omegat/core/spellchecker/SpellChecker.java src/org/omegat-gil/core/spellchecker/SpellChecker.java
--- src/org/omegat/core/spellchecker/SpellChecker.java	2011-03-10 19:21:01.000000000 +0100
+++ src/org/omegat-gil/core/spellchecker/SpellChecker.java	2011-03-10 19:30:24.000000000 +0100
@@ -115,7 +115,9 @@
         // initialize the spell checker - get the data from the preferences
         String language = Core.getProject().getProjectProperties().getTargetLanguage().getLocaleCode();
 
-        String dictionaryDir = Preferences.getPreference(Preferences.SPELLCHECKER_DICTIONARY_DIRECTORY);
+        String dictionaryDir = Preferences.getPreferenceDefault(
+            Preferences.SPELLCHECKER_DICTIONARY_DIRECTORY,
+            OConsts.SPELLCHECKER_SYSTEM_DICTIONARY_DIRECTORY);
 
         if (dictionaryDir != null) {
             String affixName = dictionaryDir + File.separator + language + OConsts.SC_AFFIX_EXTENSION;
diff -Nru src/org/omegat/util/OConsts.java src/org/omegat-gil/util/OConsts.java
--- src/org/omegat/util/OConsts.java	2011-03-10 19:21:01.000000000 +0100
+++ src/org/omegat-gil/util/OConsts.java	2011-03-10 19:28:04.000000000 +0100
@@ -102,6 +102,12 @@
     /** The name of the spell checking library */
     public static final String SPELLCHECKER_LIBRARY_NAME = "hunspell";
 
+    /** the path of the spell checking library */
+    public static final String SPELLCHECKER_LIBRARY_PATH = "/usr/lib/libhunspell-1.2.so.0";
+
+    /** directory of system dictionaries */
+     public static final String SPELLCHECKER_SYSTEM_DICTIONARY_DIRECTORY = "/usr/share/myspell/";   // NOI18N
+
     /** the native library directory */
     public static final String NATIVE_LIBRARY_DIR = "native";