diff --git a/lib/crypto/mpi/mpi-bit.c b/lib/crypto/mpi/mpi-bit.c
index 835a2f0622a0..934d81311360 100644
--- a/lib/crypto/mpi/mpi-bit.c
+++ b/lib/crypto/mpi/mpi-bit.c
@@ -95,6 +95,7 @@ int mpi_set_bit(MPI a, unsigned int n)
 	a->d[limbno] |= (A_LIMB_1<<bitno);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(mpi_set_bit);
 
 /*
  * Shift A by N bits to the right.