diff --git a/build-aux/configure-lib.sh b/build-aux/configure-lib.sh
index 6871ab8e..1dfe84fd 100644
--- a/build-aux/configure-lib.sh
+++ b/build-aux/configure-lib.sh
@@ -55,6 +55,7 @@ libmes_SOURCES="
 $libc_mini_shared_SOURCES
 lib/ctype/isnumber.c
 lib/mes/abtol.c
+lib/mes/div.c
 lib/mes/eputc.c
 lib/mes/fdgetc.c
 lib/mes/fdputc.c
diff --git a/simple.sh b/simple.sh
index 5107f7b4..aab47d4e 100755
--- a/simple.sh
+++ b/simple.sh
@@ -43,6 +43,7 @@ gcc -g -D HAVE_CONFIG_H=1 -I include\
     lib/mes/eputs.c\
     lib/mes/oputs.c\
     \
+    lib/mes/div.c\
     lib/mes/itoa.c\
     lib/mes/ltoa.c\
     lib/mes/ltoab.c\
@@ -145,6 +146,7 @@ $CC -g -D HAVE_CONFIG_H=1 -I include -I include/$mes_kernel/$mes_cpu\
     lib/stdlib/exit.c\
     lib/$mes_kernel/$mes_cpu-mes-$compiler/mini.c\
     \
+    lib/mes/div.c\
     lib/mes/itoa.c\
     lib/mes/ltoa.c\
     lib/mes/ltoab.c\