diff --git a/lib/awpmd/Makefile.lammps.linalg b/lib/awpmd/Makefile.lammps.linalg
index bf2a7a2c6b..a5c4e9b9f0 100644
--- a/lib/awpmd/Makefile.lammps.linalg
+++ b/lib/awpmd/Makefile.lammps.linalg
@@ -1,5 +1,5 @@
 # Settings that the LAMMPS build will import when this package library is used
 
 user-awpmd_SYSINC =
-user-awpmd_SYSLIB = -llinalg
+user-awpmd_SYSLIB = -llinalg -lgfortran
 user-awpmd_SYSPATH = -L../../lib/linalg