diff --git a/pkgs/development/libraries/glibc-2.7/builder.sh b/pkgs/development/libraries/glibc-2.7/builder.sh
index f9b9c6b87aa..1bf806c0149 100644
--- a/pkgs/development/libraries/glibc-2.7/builder.sh
+++ b/pkgs/development/libraries/glibc-2.7/builder.sh
@@ -7,6 +7,9 @@ source $stdenv/setup
 # Explicitly tell glibc to use our pwd, not /bin/pwd.
 export PWD_P=$(type -tP pwd)
 
+# Needed to install share/zoneinfo/zone.tab.
+export BASH_SHELL=$SHELL
+
 
 preConfigure=preConfigure
 preConfigure() {