diff --git a/support/dependencies/dependencies.sh b/support/dependencies/dependencies.sh
index 0b44c5afb3..61a4140abe 100755
--- a/support/dependencies/dependencies.sh
+++ b/support/dependencies/dependencies.sh
@@ -132,7 +132,7 @@ fi;
 
 # Check that a few mandatory programs are installed
 missing_progs="no"
-for prog in patch perl tar wget cpio python unzip rsync ${DL_TOOLS} ; do
+for prog in patch perl tar wget cpio python unzip rsync bc ${DL_TOOLS} ; do
     if ! which $prog > /dev/null ; then
 	/bin/echo -e "You must install '$prog' on your build machine";
 	missing_progs="yes"