diff --git a/configure.ac b/configure.ac
index d064345b..a987eabb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,7 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_LANG(C++)
 CXXFLAGS="-O3 $CXXFLAGS"
 AC_PROG_CXX
+AC_PROG_RANLIB
 
 ############ openmp  ###############
 AC_OPENMP
@@ -22,9 +23,6 @@ AM_CXXFLAGS="$OPENMP_CXXFLAGS $AM_CXXFLAGS"
 AM_LDFLAGS="$OPENMP_CXXFLAGS $AM_LDFLAGS"
 fi
 
-############ libtool ###############
-LT_INIT
-
 ############### Checks for header files
 AC_CHECK_HEADERS(stdint.h)
 AC_CHECK_HEADERS(mm_malloc.h)
diff --git a/lib/Makefile.am b/lib/Makefile.am
index a7ef229a..bc752af5 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -17,8 +17,8 @@ endif
 include Make.inc
 include Eigen.inc
 
-lib_LTLIBRARIES = libGrid.la
+lib_LIBRARIES = libGrid.a
 
-libGrid_la_SOURCES             = $(CCFILES) $(extra_sources)
-libGrid_ladir                  = $(pkgincludedir)
+libGrid_a_SOURCES              = $(CCFILES) $(extra_sources)
+libGrid_adir                   = $(pkgincludedir)
 nobase_dist_pkginclude_HEADERS = $(HFILES) $(eigen_files) Config.h