diff --git a/library/ccm.c b/library/ccm.c
index 0a90461..d9d25ce 100644
--- a/library/ccm.c
+++ b/library/ccm.c
@@ -270,7 +270,7 @@
     {
         if( ctx->state & CCM_STATE__AUTH_DATA_FINISHED )
         {
-            return MBEDTLS_ERR_CCM_BAD_SEQUENCE;
+            return MBEDTLS_ERR_CCM_BAD_INPUT;
         }
 
         if( !(ctx->state & CCM_STATE__AUTH_DATA_STARTED) )
@@ -444,12 +444,12 @@
 
     if( ctx->add_len > 0 && !( ctx->state & CCM_STATE__AUTH_DATA_FINISHED ) )
     {
-        return MBEDTLS_ERR_CCM_BAD_SEQUENCE;
+        return MBEDTLS_ERR_CCM_BAD_INPUT;
     }
 
     if( ctx->plaintext_len > 0 && ctx->processed != ctx->plaintext_len )
     {
-        return MBEDTLS_ERR_CCM_BAD_SEQUENCE;
+        return MBEDTLS_ERR_CCM_BAD_INPUT;
     }
 
     /*