diff --git a/configure.ac b/configure.ac
index 08474b1b..e0dc1afb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -203,6 +203,14 @@ if test "x$enable_wide_percent" = xyes; then
   AC_DEFINE(BOOST_PERCNT, 1, [provide extra precision under %CPU and %MEM for top])
 fi
 
+AC_ARG_ENABLE([wide-memory],
+  AS_HELP_STRING([--disable-wide-memory], [disable extra precision under memory fields for top]),
+  [disable_wide_memory=yes], []
+)
+if test "x$disable_wide_memory" = xyes; then
+  AC_DEFINE(NOBOOST_MEMS, 1, [disable extra precision under memory fields for top])
+fi
+
 DL_LIB=
 AC_ARG_ENABLE([numa],
   AS_HELP_STRING([--disable-numa], [disable NUMA/Node support in top]),
diff --git a/top/top.h b/top/top.h
index f327cfdb..f3567980 100644
--- a/top/top.h
+++ b/top/top.h
@@ -24,6 +24,7 @@
 
         /* Defines represented in configure.ac ----------------------------- */
 //#define BOOST_PERCNT            /* enable extra precision for two % fields */
+//#define NOBOOST_MEMS            /* disable extra precision for mem fields  */
 //#define NUMA_DISABLE            /* disable summary area NUMA/Nodes display */
 //#define OOMEM_ENABLE            /* enable the SuSE out-of-memory additions */
 //#define SIGNALS_LESS            /* favor reduced signal load over response */
@@ -39,7 +40,6 @@
 //#define INSP_OFFDEMO            /* disable demo screens, issue msg instead */
 //#define INSP_SAVEBUF            /* preserve 'Insp_buf' contents in a file  */
 //#define INSP_SLIDE_1            /* when scrolling left/right don't move 8  */
-//#define NOBOOST_MEMS            /* disable extra precision for mem fields  */
 //#define OFF_HST_HASH            /* use BOTH qsort+bsrch vs. hashing scheme */
 //#define OFF_STDIOLBF            /* disable our own stdout _IOFBF override  */
 //#define PRETEND2_5_X            /* pretend we're linux 2.5.x (for IO-wait) */