2 files changed, 2 insertions, 0 deletions
diff --git a/src/pki/commands/issue.c b/src/pki/commands/issue.c
index d5c33b89f..c2a120fca 100644
--- a/src/pki/commands/issue.c
+++ b/src/pki/commands/issue.c
@@ -363,6 +363,7 @@ static int issue()
 			rng->destroy(rng);
 			goto end;
 		}
+		serial.ptr[0] &= 0x7F;
 		rng->destroy(rng);
 	}
 
diff --git a/src/pki/commands/self.c b/src/pki/commands/self.c
index c28c9c291..7d4bf1cc6 100644
--- a/src/pki/commands/self.c
+++ b/src/pki/commands/self.c
@@ -314,6 +314,7 @@ static int self()
 			rng->destroy(rng);
 			goto end;
 		}
+		serial.ptr[0] &= 0x7F;
 		rng->destroy(rng);
 	}
 	not_before = time(NULL);