diff --git a/tools/Makefile.am b/tools/Makefile.am
index d207773..0bbd06d 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -23,7 +23,7 @@ H5PLIB = -L@H5P_LIB_LOC@ @TOOLS_H5PART_LIB@
 
 # INCLUDES
 HDFINC = -I$(HDF5ROOT)/include
-INC = $(HDFINC) $(H5PINC)
+INC = $(HDFINC) $(H5PINC) $(MPIINC)
 
 # H5Part header file location
 # H5PINC = -I@prefix@/include