diff --git a/src/scripts/kirikiri/ks.rs b/src/scripts/kirikiri/ks.rs
index 54f15f1..7abefa0 100644
--- a/src/scripts/kirikiri/ks.rs
+++ b/src/scripts/kirikiri/ks.rs
@@ -36,7 +36,7 @@ impl ScriptBuilder for KsBuilder {
     }
 
     fn extensions(&self) -> &'static [&'static str] {
-        &["ks"]
+        &["ks", "soc"]
     }
 
     fn script_type(&self) -> &'static ScriptType {