diff --git a/core/schema.rs b/core/schema.rs
index 720123231..0e4f878c5 100644
--- a/core/schema.rs
+++ b/core/schema.rs
@@ -78,8 +78,10 @@ pub struct BTreeTable {
 
 impl BTreeTable {
     pub fn column_is_rowid_alias(&self, col: &Column) -> bool {
-        let composite_primary_key = self.columns.iter().filter(|col| col.primary_key).count() > 1;
-        col.primary_key && col.ty == Type::Integer && !composite_primary_key && self.has_rowid
+        col.primary_key
+            && col.ty == Type::Integer
+            && self.primary_key_column_names.len() == 1
+            && self.has_rowid
     }
 
     pub fn get_column(&self, name: &str) -> Option<(usize, &Column)> {