diff --git a/_teaching/2023S_ClimateSystem.md b/_teaching/2023_ClimateSystem.md
similarity index 90%
rename from _teaching/2023S_ClimateSystem.md
rename to _teaching/2023_ClimateSystem.md
index bf97449b6ef2..f1e1e54106a0 100644
--- a/_teaching/2023S_ClimateSystem.md
+++ b/_teaching/2023_ClimateSystem.md
@@ -1,6 +1,6 @@
 ---
 layout: post
-semester: 2023S
+semester: 2023
 inline: true
 ---