diff --git a/tools/host_det.sh b/tools/host_det.sh
index afffb4dfd3efdc5ba10bd0e8c206261698c42f3c..41322a6f47bdc9e592fd0f17767b84cb9c792c78 100755
--- a/tools/host_det.sh
+++ b/tools/host_det.sh
@@ -93,6 +93,7 @@ Missing mkimage command.
 function debian_regs
 {
 	unset deb_pkgs
+	dpkg -l | grep bc >/dev/null || deb_pkgs+="bc "
 	dpkg -l | grep build-essential >/dev/null || deb_pkgs+="build-essential "
 	dpkg -l | grep device-tree-compiler >/dev/null || deb_pkgs+="device-tree-compiler "
 	dpkg -l | grep lsb-release >/dev/null || deb_pkgs+="lsb-release "
@@ -138,19 +139,20 @@ function debian_regs
 				;;
 			esac
 
-#			case "${deb_distro}" in
-#			wheezy)
-#				unset wheezy_multiarch
-#				dpkg -l | grep ia32-libs-i386 >/dev/null || wheezy_multiarch=1
-#				;;
-#			esac
+			case "${deb_distro}" in
+			wheezy)
+				unset wheezy_multiarch
+				dpkg -l | grep ia32-libs >/dev/null || wheezy_multiarch=1
+				;;
+			esac
 
 			if [ "${wheezy_multiarch}" ] ; then
-				deb_pkgs+="ia32-libs-i386 "
 				echo "-----------------------------"
-				echo "Debian Wheezy:"
+				echo "Note: for Debian Wheezy `uname -m`: to install ia32-libs:"
+				echo "-----------------------------"
 				echo "sudo dpkg --add-architecture i386"
 				echo "sudo apt-get update"
+				echo "sudo apt-get install ia32-libs"
 				echo "-----------------------------"
 			fi
 		fi