diff --git a/.bashrc b/.bashrc
index 70264b5..a604b2f 100644
--- a/.bashrc
+++ b/.bashrc
@@ -174,7 +174,7 @@ if [ -e ~/.ssh/config.d ]; then
         newestconfig=$(find ~/.ssh/config.d/* -printf '%TY-%Tm-%Td %.8TT %p\n' | sort -r | head -n1 | awk '{print $3}')
         if [ "$newestconfig" -nt ~/.ssh/config ]; then
             # We found a config that's newer than the generated config file, re-generate
-            [ -e ~/.ssh/config ] && mv ~/.ssh/config ~/.ssh/config.bak.$(date -Ins)
+            [ -e ~/.ssh/config ] && mv ~/.ssh/config ~/.ssh/config.bak.$(date -Is)
             # Lets preserve order, so you can have  00_generic 10_homestuff 20_work1 21_work2  and such
             find ~/.ssh/config.d/* -type f -print0 | sort -z | xargs -0 -n1 cat > ~/.ssh/config
         fi