diff --git a/dimension_t/Makefile b/dimension_t/Makefile
index ab59118..5863173 100644
--- a/dimension_t/Makefile
+++ b/dimension_t/Makefile
@@ -13,7 +13,7 @@ CFLAGS=-I$(INCLUDE_TOOLDIR) -I$(INCLUDE_PERMDIR) -I./src
 
 
 
-DIMSRC=src/dimension_t.c
+DIMSRC=src/dimension_t/dimension_t.c
 DIMSRC_O=$(DIMSRC:.c=.o)
 
 PERMSRC_O=$(PERMDIR)/src/permutation_t/permutation_t.o
diff --git a/dimension_t/src/dimension_t.c b/dimension_t/src/dimension_t/dimension_t.c
similarity index 69%
rename from dimension_t/src/dimension_t.c
rename to dimension_t/src/dimension_t/dimension_t.c
index fba273d..950829d 100644
--- a/dimension_t/src/dimension_t.c
+++ b/dimension_t/src/dimension_t/dimension_t.c
@@ -1,4 +1,4 @@
-#include "dimension_t.h"
+#include "dimension_t/dimension_t.h"
 
 dimension *
 create_dim(size_t sz){
diff --git a/dimension_t/src/dimension_t.h b/dimension_t/src/dimension_t/dimension_t.h
similarity index 100%
rename from dimension_t/src/dimension_t.h
rename to dimension_t/src/dimension_t/dimension_t.h
diff --git a/dimension_t/test/Makefile b/dimension_t/test/Makefile
index 04d7e22..769b519 100644
--- a/dimension_t/test/Makefile
+++ b/dimension_t/test/Makefile
@@ -24,7 +24,7 @@ DIMDIR=$(PWD)/..
 
 PERMSRC_O=$(YPERMDIR)/src/permutation_t/permutation_t.o
 
-DIMSRC_O=$(INCLUDE_DIR)/dimension_t.o
+DIMSRC_O=$(INCLUDE_DIR)/dimension_t/dimension_t.o
 
 TOPTARGETS := all clean 
 
diff --git a/dimension_t/test/compile.sh b/dimension_t/test/compile.sh
index be0f2e9..56bb1dd 100644
--- a/dimension_t/test/compile.sh
+++ b/dimension_t/test/compile.sh
@@ -15,7 +15,7 @@ DIR_YTEST=$PWD/../../ytest_t
 SRC=../src
 PERMSRC=$PWD/../../ypermutation_t/src
 
-gcc -o launch_is_good_c $1 -L$DIR_YTEST $2 -lytest -I$DIR_YTEST/include_ytest/include $PERMSRC/permutation_t/permutation_t.o $PERMSRC/set_theoric_t/set_theoric_t.o $SRC/dimension_t.c -I$SRC -I$PERMSRC
+gcc -o launch_is_good_c $1 -L$DIR_YTEST $2 -lytest -I$DIR_YTEST/include_ytest/include $PERMSRC/permutation_t/permutation_t.o $PERMSRC/set_theoric_t/set_theoric_t.o $SRC/dimension_t/dimension_t.c -I$SRC -I$PERMSRC
 #gcc -o launch_is_good_c $1 $2 -lytest -I../include_ytest src/permutation_t/permutation_t.o src/set_theoric_t/set_theoric_t.o -I./src 
 
 export LD_LIBRARY_PATH=$DIR_YTEST/:LD_LIBRARY_PATH
diff --git a/dimension_t/test/is_good.c b/dimension_t/test/is_good.c
index 29acb59..7b4a79b 100644
--- a/dimension_t/test/is_good.c
+++ b/dimension_t/test/is_good.c
@@ -14,7 +14,7 @@
 
 
 //#include "permutation_t/permutation_t.h"
-#include "dimension_t.h"
+#include "dimension_t/dimension_t.h"
 
 TEST(dimension0){