diff --git a/core/imgread/cdi.cpp b/core/imgread/cdi.cpp
index ab1433f31..e55266332 100644
--- a/core/imgread/cdi.cpp
+++ b/core/imgread/cdi.cpp
@@ -155,6 +155,7 @@ Disc* cdi_parse(const wchar* file)
 
 		image.remaining_sessions--;
 	}
+	core_fclose(fsource);
 
 	rv->type=GuessDiscType(CD_M1,CD_M2,CD_DA);