diff --git a/src/system/libroot/posix/Jamfile b/src/system/libroot/posix/Jamfile
index 9f86518f3d..bd9a02f498 100644
--- a/src/system/libroot/posix/Jamfile
+++ b/src/system/libroot/posix/Jamfile
@@ -21,6 +21,7 @@ KernelMergeObject posix_main.o :
 
 SubInclude OBOS_TOP src system libroot posix arch ;
 
+SubInclude OBOS_TOP src system libroot posix crypt ;
 SubInclude OBOS_TOP src system libroot posix locale ;
 SubInclude OBOS_TOP src system libroot posix malloc ;
 SubInclude OBOS_TOP src system libroot posix math ;