diff --git a/src/MAKE/Makefile.debian b/src/MAKE/Makefile.debian
index 78ad34c2d1..f42e93397e 100644
--- a/src/MAKE/Makefile.debian
+++ b/src/MAKE/Makefile.debian
@@ -32,9 +32,9 @@ CC =		g++
 CCFLAGS =	$(PKGINC) -g -O -I/usr/lib/mpich/include/ -DFFT_FFTW -DLAMMPS_GZIP
 DEPFLAGS =	-M
 LINK =		g++
-LINKFLAGS =	$(PKGPATH) $(PKGPATHSYS)
+LINKFLAGS =	-g -O -L/usr/lib/mpich/lib $(PKGPATH) $(PKGPATHSYS)
 USRLIB =	$(PKGLIB) -lfftw -lmpich
-SYSLIB =$(PKGLIBSYS)
+SYSLIB =	$(PKGLIBSYS)
 ARCHIVE =	ar
 ARFLAGS =	-rc
 SIZE =		size