diff --git a/src/Makefile b/src/Makefile
index f2441001cf..72694ad7f6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -27,7 +27,7 @@ PETSC    = no
 # External Library Paths
 #===============================================================================
 
-MPI_DIR   = /opt/mpich2/1.5rc3-$(COMPILER)
+MPI_DIR   = /opt/mpich2/1.5-$(COMPILER)
 HDF5_DIR  = /opt/hdf5/1.8.9-$(COMPILER)
 PETSC_DIR = /opt/petsc/3.3-$(COMPILER)