diff --git a/subprojects/stubs/ada_libfswatch.gpr b/subprojects/stubs/ada_libfswatch.gpr
index f7da906f..c33e5c5b 100644
--- a/subprojects/stubs/ada_libfswatch.gpr
+++ b/subprojects/stubs/ada_libfswatch.gpr
@@ -1,4 +1,4 @@
 --  Stub project for libfswatch, which is not supported on Mac OS
-with "gnatcoll";
+with "gnatcoll_core";
 project ada_libfswatch is
 end ada_libfswatch;