diff --git a/library/error.c b/library/error.c
index 471910d..61ff9c7 100644
--- a/library/error.c
+++ b/library/error.c
@@ -447,6 +447,8 @@
 #if defined(POLARSSL_GCM_C)
     if( use_ret == -(POLARSSL_ERR_GCM_AUTH_FAILED) )
         snprintf( buf, buflen, "GCM - Authenticated decryption failed" );
+    if( use_ret == -(POLARSSL_ERR_GCM_BAD_INPUT) )
+        snprintf( buf, buflen, "GCM - Bad input parameters to function" );
 #endif /* POLARSSL_GCM_C */
 
 #if defined(POLARSSL_MD2_C)