diff --git a/projects/bls-signatures/build.sh b/projects/bls-signatures/build.sh
index 7a6d3e5a0..0b1a5d1e5 100755
--- a/projects/bls-signatures/build.sh
+++ b/projects/bls-signatures/build.sh
@@ -39,6 +39,7 @@ echo -n '"' >>extra_options.h
 echo -n "--force-module=blst " >>extra_options.h
 echo -n "--operations=" >>extra_options.h
 echo -n "BignumCalc," >>extra_options.h
+echo -n "BignumCalc_Fp2," >>extra_options.h
 echo -n "BLS_GenerateKeyPair," >>extra_options.h
 echo -n "BLS_HashToG1," >>extra_options.h
 echo -n "BLS_HashToG2," >>extra_options.h