diff --git a/eo/test/Makefile.am b/eo/test/Makefile.am
index 338bef4c1..70223600a 100644
--- a/eo/test/Makefile.am
+++ b/eo/test/Makefile.am
@@ -8,7 +8,7 @@ DEPS = $(top_builddir)/src/utils/libeoutils.a $(top_builddir)/src/libeo.a
 
 ###############################################################################
 
-INCLUDES = -I$(top_builddir)/src -I$(top_builddir)/contrib
+INCLUDES = -I$(top_builddir)/src 
 LDADDS = $(top_builddir)/src/utils/libeoutils.a $(top_builddir)/src/libeo.a
 CXXFLAGS = -g -Wall 
 ###############################################################################
diff --git a/eo/test/t-MGE-control.cpp b/eo/test/t-MGE-control.cpp
index f34d0699d..c7d857d22 100644
--- a/eo/test/t-MGE-control.cpp
+++ b/eo/test/t-MGE-control.cpp
@@ -13,9 +13,9 @@
 #include "RoyalRoad.h"
 
 // Viri
-#include <MGE/VirusOp.h>
-#include <MGE/eoVirus.h>
-#include <MGE/eoInitVirus.h>
+#include "../contrib/MGE/VirusOp.h"
+#include "../contrib/MGE/eoVirus.h"
+#include "../contrib/MGE/eoInitVirus.h"
 
 //-----------------------------------------------------------------------------
 
diff --git a/eo/test/t-MGE.cpp b/eo/test/t-MGE.cpp
index 387220ac7..4fd76f435 100644
--- a/eo/test/t-MGE.cpp
+++ b/eo/test/t-MGE.cpp
@@ -13,9 +13,9 @@
 #include "RoyalRoad.h"
 
 // Viri
-#include <MGE/VirusOp.h>
-#include <MGE/eoVirus.h>
-#include <MGE/eoInitVirus.h>
+#include "../contrib/MGE/VirusOp.h"
+#include "../contrib/MGE/eoVirus.h"
+#include "../contrib/MGE/eoInitVirus.h"
 
 //-----------------------------------------------------------------------------
 
diff --git a/eo/test/t-MGE1bit.cpp b/eo/test/t-MGE1bit.cpp
index 356f7fd20..d6ab91e55 100644
--- a/eo/test/t-MGE1bit.cpp
+++ b/eo/test/t-MGE1bit.cpp
@@ -13,9 +13,9 @@
 #include "RoyalRoad.h"
 
 // Viri
-#include <MGE/VirusOp.h>
-#include <MGE/eoVirus.h>
-#include <MGE/eoInitVirus.h>
+#include "../contrib/MGE/VirusOp.h"
+#include "../contrib/MGE/eoVirus.h"
+#include "../contrib/MGE/eoInitVirus.h"
 
 //-----------------------------------------------------------------------------
 
diff --git a/eo/test/t-eoVirus.cpp b/eo/test/t-eoVirus.cpp
index 65b39bdca..5ad4067f6 100644
--- a/eo/test/t-eoVirus.cpp
+++ b/eo/test/t-eoVirus.cpp
@@ -26,8 +26,9 @@
 #include <iostream>   // cout
 #include <strstream>  // ostrstream, istrstream
 #include <eo>         // general EO
-#include <MGE/eoVirus.h>  // bitstring representation & operators
-#include <MGE/VirusOp.h>
+#include "../contrib/MGE/VirusOp.h"
+#include "../contrib/MGE/eoVirus.h"
+#include "../contrib/MGE/eoInitVirus.h"
 #include <utils/eoRndGenerators.h>
 
 #include "binary_value.h"