diff --git a/speedrun.sh b/speedrun.sh
index d2498ee..a9b579a 100644
--- a/speedrun.sh
+++ b/speedrun.sh
@@ -12,7 +12,7 @@
 
 # Default intermediate artifacts directory is in ~/.cache/nanochat
 export OMP_NUM_THREADS=1
-NANOCHAT_BASE_DIR="$HOME/.cache/nanochat"
+export NANOCHAT_BASE_DIR="$HOME/.cache/nanochat"
 mkdir -p $NANOCHAT_BASE_DIR
 
 # -----------------------------------------------------------------------------