--- ext/ODBM_File/ODBM_File.xs
+++ ext/ODBM_File/ODBM_File.xs
@@ -121,7 +121,7 @@
 	dMY_CXT;
 	CODE:
 	dbmrefcnt--;
-	dbmclose();
+	dbmclose(db);
 	safefree(db);
 
 datum_value