diff --git a/imagebuild/tinyipa/build-tinyipa.sh b/imagebuild/tinyipa/build-tinyipa.sh
index e66def612..fac6ebef5 100755
--- a/imagebuild/tinyipa/build-tinyipa.sh
+++ b/imagebuild/tinyipa/build-tinyipa.sh
@@ -2,9 +2,10 @@
 
 set -ex
 WORKDIR=$(readlink -f 0ドル | xargs dirname)
+source ${WORKDIR}/tc-mirror.sh
 BUILDDIR="$WORKDIR/tinyipabuild"
 BUILD_AND_INSTALL_TINYIPA=${BUILD_AND_INSTALL_TINYIPA:-false}
-TINYCORE_MIRROR_URL=${TINYCORE_MIRROR_URL:-"http://repo.tinycorelinux.net"}
+TINYCORE_MIRROR_URL=${TINYCORE_MIRROR_URL:-}
 
 CHROOT_PATH="/tmp/overides:/usr/local/sbin:/usr/local/bin:/apps/bin:/usr/sbin:/usr/bin:/sbin:/bin"
 CHROOT_CMD="sudo chroot $BUILDDIR /usr/bin/env -i PATH=$CHROOT_PATH http_proxy=$http_proxy https_proxy=$https_proxy no_proxy=$no_proxy"
@@ -32,6 +33,9 @@ fi
 # Download and Cache Tiny Core Files
 ##############################################
 
+# Find a working TC mirror if none is explicitly provided
+choose_tc_mirror
+
 cd $WORKDIR/build_files
 wget -N $TINYCORE_MIRROR_URL/7.x/x86_64/release/distribution_files/corepure64.gz
 wget -N $TINYCORE_MIRROR_URL/7.x/x86_64/release/distribution_files/vmlinuz64
diff --git a/imagebuild/tinyipa/finalise-tinyipa.sh b/imagebuild/tinyipa/finalise-tinyipa.sh
index 41c96cce2..459723a49 100755
--- a/imagebuild/tinyipa/finalise-tinyipa.sh
+++ b/imagebuild/tinyipa/finalise-tinyipa.sh
@@ -2,10 +2,11 @@
 
 set -ex
 WORKDIR=$(readlink -f 0ドル | xargs dirname)
+source ${WORKDIR}/tc-mirror.sh
 BUILDDIR="$WORKDIR/tinyipabuild"
 FINALDIR="$WORKDIR/tinyipafinal"
 BUILD_AND_INSTALL_TINYIPA=${BUILD_AND_INSTALL_TINYIPA:-true}
-TINYCORE_MIRROR_URL=${TINYCORE_MIRROR_URL:-"http://repo.tinycorelinux.net"}
+TINYCORE_MIRROR_URL=${TINYCORE_MIRROR_URL:-}
 ENABLE_SSH=${ENABLE_SSH:-false}
 SSH_PUBLIC_KEY=${SSH_PUBLIC_KEY:-}
 PYOPTIMIZE_TINYIPA=${PYOPTIMIZE_TINYIPA:-true}
@@ -19,6 +20,10 @@ TC_CHROOT_CMD="sudo chroot --userspec=$TC:$STAFF $FINALDIR /usr/bin/env -i PATH=
 
 echo "Finalising tinyipa:"
 
+# Find a working TC mirror if none is explicitly provided
+choose_tc_mirror
+
+
 if $ENABLE_SSH ; then
 echo "Validating location of public SSH key"
 if [ -n "$SSH_PUBLIC_KEY" ]; then
diff --git a/imagebuild/tinyipa/tc-mirror.sh b/imagebuild/tinyipa/tc-mirror.sh
new file mode 100644
index 000000000..902243114
--- /dev/null
+++ b/imagebuild/tinyipa/tc-mirror.sh
@@ -0,0 +1,52 @@
+
+#NOTE(pas-ha)
+# The first URL is the official TC repo,
+# the rest of the list is taken from
+# http://wiki.tinycorelinux.net/wiki:mirrors
+# as of time of this writing.
+# Only HTTP mirrors were considered with the following ordering
+# - those that were unavailable are moved to the bottom of the list
+# - those that already responded with 404 are moved to the very bottom
+
+TC_MIRRORS="http://repo.tinycorelinux.net
+http://distro.ibiblio.org/tinycorelinux
+http://mirror.cedia.org.ec/tinycorelinux
+http://mirror.epn.edu.ec/tinycorelinux
+http://mirrors.163.com/tinycorelinux
+http://kambing.ui.ac.id/tinycorelinux
+http://ftp.nluug.nl/os/Linux/distr/tinycorelinux
+http://ftp.vim.org/os/Linux/distr/tinycorelinux
+http://www.gtlib.gatech.edu/pub/tinycore
+http://tinycore.mirror.uber.com.au
+http://l4u-00.jinr.ru/LinuxArchive/Ftp/tinycorelinux"
+
+function probe_url {
+ wget -q --spider --tries 1 --timeout 10 "1ドル" 2>&1
+}
+
+function choose_tc_mirror {
+ if [ -z ${TINYCORE_MIRROR_URL} ]; then
+ for url in ${TC_MIRRORS}; do
+ echo "Checking Tiny Core Linux mirror ${url}"
+ if probe_url ${url} ; then
+ echo "Check succeeded: ${url} is responding."
+ TINYCORE_MIRROR_URL=${url}
+ break
+ else
+ echo "Check failed: ${url} is not responding"
+ fi
+ done
+ if [ -z ${TINYCORE_MIRROR_URL} ]; then
+ echo "Failed to find working Tiny Core Linux mirror"
+ exit 1
+ fi
+ else
+ echo "Probing provided Tiny Core Linux mirror ${TINYCORE_MIRROR_URL}"
+ if probe_url ${TINYCORE_MIRROR_URL} ; then
+ echo "Check succeeded: ${TINYCORE_MIRROR_URL} is responding."
+ else
+ echo "Check failed: ${TINYCORE_MIRROR_URL} is not responding"
+ exit 1
+ fi
+ fi
+}
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