diff --git a/dkarm-eabi/scripts/build-gcc.sh b/dkarm-eabi/scripts/build-gcc.sh
index d4f19ed..e4ee0d2 100644
--- a/dkarm-eabi/scripts/build-gcc.sh
+++ b/dkarm-eabi/scripts/build-gcc.sh
@@ -105,6 +105,7 @@ then
  CFLAGS_FOR_TARGET="-DREENTRANT_SYSCALLS_PROVIDED -D__DEFAULT_UTF8__ -O2" ../../$NEWLIB_SRCDIR/configure \
         --disable-newlib-supplied-syscalls \
         --enable-newlib-mb \
+        --enable-newlib-io-long-long \
         --target=$target \
         --prefix=$prefix \
         || { echo "Error configuring newlib"; exit 1; }