diff --git a/science/multiwfn/Makefile b/science/multiwfn/Makefile
index 35630a783446..c7e0470a16a4 100644
--- a/science/multiwfn/Makefile
+++ b/science/multiwfn/Makefile
@@ -39,6 +39,8 @@ ALL_TARGET=	default
 
 DISLIN_VERSION=	11.5
 
+MAKE_JOBS_UNSAFE=	yes # fix build on quarterly (not latest) when mod_2f2.mod isn't found due to commands mis-order
+
 BINARY_ALIAS=	ifort=gfortran${GCC_DEFAULT} \
 		gcc=${CC}