1 files changed, 4 insertions, 0 deletions
diff --git a/extractor/suffix_array.h b/extractor/suffix_array.h
index 79a22694..7a4f1110 100644
--- a/extractor/suffix_array.h
+++ b/extractor/suffix_array.h
@@ -10,6 +10,8 @@
 namespace fs = boost::filesystem;
 using namespace std;
 
+namespace extractor {
+
 class DataArray;
 class PhraseLocation;
 
@@ -51,4 +53,6 @@ class SuffixArray {
   vector<int> word_start;
 };
 
+} // namespace extractor
+
 #endif