diff --git a/Scripts/Bash/Functions/Locale/locale_updateMessages.sh b/Scripts/Bash/Functions/Locale/locale_updateMessages.sh
index 4e8429d..ba8db0a 100755
--- a/Scripts/Bash/Functions/Locale/locale_updateMessages.sh
+++ b/Scripts/Bash/Functions/Locale/locale_updateMessages.sh
@@ -36,9 +36,21 @@ function locale_updateMessages {
         cli_printMessage "`gettext "The English language cannot be localized to itself."`" --as-error-line
     fi
 
+    # Verify directory passed as non-option argument to be sure it
+    # supports localization.
+    locale_isLocalizable "${ACTIONVAL}"
+    if [[ $? -ne 0 ]];then
+        cli_printMessage "`gettext "The path provided does not support localization."`" --as-error-line
+    fi
+
     # Prepare working directory to receive translation files.
     locale_prepareWorkingDirectory ${L10N_WORKDIR}
 
+    # Syncronize changes between repository and working copy. At this
+    # point, changes in the repository are merged in the working copy
+    # and changes in the working copy committed up to repository.
+    ${CLI_NAME} svn --sync "${L10N_WORKDIR}"
+
     # Evaluate action value to determine whether to use xml2po to
     # extract translatable strings from XML-based files or to use
     # xgettext to extract translatable strings from shell script
@@ -61,4 +73,9 @@ function locale_updateMessages {
         cli_printMessage "`gettext "The path provided doesn't support localization."`" --as-error-line
     fi
 
+    # Syncronize changes between repository and working copy. At this
+    # point, changes in the repository are merged in the working copy
+    # and changes in the working copy committed up to repository.
+    ${CLI_NAME} svn --sync "${L10N_WORKDIR}"
+
 }