diff --git a/Source/Fortran/calc_etadot.out b/Source/Fortran/calc_etadot.out
deleted file mode 120000
index 799fa15cd10f62ddc15acfb5a6037f9da29d84c7..0000000000000000000000000000000000000000
--- a/Source/Fortran/calc_etadot.out
+++ /dev/null
@@ -1 +0,0 @@
-calc_etadot_fast.out
\ No newline at end of file
diff --git a/Source/Fortran/makefile_fast b/Source/Fortran/makefile_fast
index fbb60d9d210b754a366f729ae593412733abbc09..478b37b77c3b2d563c7377753b92353e7108dd4c 100644
--- a/Source/Fortran/makefile_fast
+++ b/Source/Fortran/makefile_fast
@@ -12,14 +12,15 @@
 ###############################################################################
 
 
-EXE      =  calc_etadot_fast.out
+EXE      =  calc_etadot
 
-GRIB_API_LIB=  -Bstatic -lgrib_api_f90 -lgrib_api -Bdynamic -lm -ljasper
+#GRIB_API_LIB=  -Bstatic -lgrib_api_f90 -lgrib_api -Bdynamic -lm -ljasper
+ECCODES_LIB= -L/usr/local/lib -leccodes_f90 -leccodes -lm
 EMOSLIB=-lemosR64
-LIB =  $(GRIB_API_LIB) $(EMOSLIB)
+LIB =  $(ECCODES_LIB) $(EMOSLIB)
 
-GRIB_API_INCLUDE_DIR=/usr/include
-INC = -I. -I$(GRIB_API_INCLUDE_DIR)
+ECCODES_INCLUDE_DIR=/usr/local/include
+INC = -I. -I$(ECCODES_INCLUDE_DIR)
 
 FC = gfortran 
 OPT = -O3 -march=native