diff --git a/src/lagan/src/glocal/score.cpp b/src/lagan/src/glocal/score.cpp
index b865bd5..34924a9 100644
--- a/src/lagan/src/glocal/score.cpp
+++ b/src/lagan/src/glocal/score.cpp
@@ -6,6 +6,7 @@
 
 extern vector<class Score*> scoreFunctions[1<<(UPSTRANDBITS+DOWNSTRANDBITS+RELPOSBITS)];
 
+using std::ifstream;
 
 float Score::getScore(Fragment *up, Fragment * down) {
 	long long int absSeq1,absSeq2,absDiagonal,absMin,absMax;
diff --git a/src/lagan/src/glocal/structs.h b/src/lagan/src/glocal/structs.h
index cce0483..ae9b3bd 100644
--- a/src/lagan/src/glocal/structs.h
+++ b/src/lagan/src/glocal/structs.h
@@ -12,7 +12,17 @@
 #include <list>
 #include <string.h>
 
-using namespace std;
+//using namespace std;
+
+using std::pair;
+using std::max;
+using std::min;
+using std::list;
+using std::vector;
+using std::map;
+using std::multimap;
+using std::set;
+using std::multiset;
 
 #define RIGHT 0
 #define LEFT 1