diff --git a/configure.ac b/configure.ac
index 72b63f329..ec99fe153 100644
--- a/configure.ac
+++ b/configure.ac
@@ -728,7 +728,7 @@ AC_CHECK_LIB([gmp],[[__gmpn_sub_n]],GMP_LIBS=-lgmp, [AC_MSG_ERROR(libgmp missing
 AC_CHECK_HEADER([gmpxx.h],,AC_MSG_ERROR(libgmpxx headers missing))
 AC_CHECK_LIB([gmpxx],[main],GMPXX_LIBS=-lgmpxx, [AC_MSG_ERROR(libgmpxx missing)])
 
-RUST_LIBS="-lrustzcash"
+RUST_LIBS="-lrustzcash -ldl"
 
 dnl Check for OpenMP support
 AX_OPENMP(