diff --git a/bindings/utility-scripts/error-analyzer.pl b/bindings/utility-scripts/error-analyzer.pl
index 60b91c1..e97ae5d 100644
--- a/bindings/utility-scripts/error-analyzer.pl
+++ b/bindings/utility-scripts/error-analyzer.pl
@@ -115,7 +115,7 @@ sub parse_file {
                     push @curcalls, $1;
                 }
                 pos = 0;
-                while (/(LASSO_[A-Z_]*_ERROR_[A-Z_]*|LASSO_ERROR_[A-Z_]*)/g) {
+                while (/(CRYPTIC_[A-Z_]*_ERROR_[A-Z_]*|CRYPTIC_ERROR_[A-Z_]*)/g) {
                     push @curerrors, $1;
                 }
                 last MATCHING;
diff --git a/cryptic/protocols/pok_schnorr/commitments_utils.c b/cryptic/protocols/pok_schnorr/commitments_utils.c
index 1c93fdd..7398863 100644
--- a/cryptic/protocols/pok_schnorr/commitments_utils.c
+++ b/cryptic/protocols/pok_schnorr/commitments_utils.c
@@ -26,7 +26,7 @@
 #include "commitments_utils.h"
 
 BIGNUM*
-cryptic_get_dlrep(int nb_quantities, BIGNUM **quantities,BIGNUM **bases,BIGNUM *modulus)
+cryptic_get_dlrep(int nb_quantities, BIGNUM **quantities, BIGNUM **bases, BIGNUM *modulus)
 {
 	int rc = CRYPTIC_ERROR_UNDEFINED;
 
diff --git a/cryptic/utils/print.c b/cryptic/utils/print.c
index 05b8fe5..3baf70d 100644
--- a/cryptic/utils/print.c
+++ b/cryptic/utils/print.c
@@ -31,7 +31,9 @@ int
 cryptic_print_bn(char *prefix, BIGNUM *bn)
 {
 	char *hex = NULL;
-	hex = BN_bn2hex(bn);
+	if(bn){
+		hex = BN_bn2hex(bn);
+	}
 	printf("%s%s\n", prefix, hex);
 	OPENSSL_free(hex);
 	return CRYPTIC_NO_ERROR;