diff --git a/library/error.c b/library/error.c
index fce6b2c..66f0784 100644
--- a/library/error.c
+++ b/library/error.c
@@ -95,6 +95,10 @@
 #include "polarssl/net.h"
 #endif
 
+#if defined(POLARSSL_OID_C)
+#include "polarssl/oid.h"
+#endif
+
 #if defined(POLARSSL_PADLOCK_C)
 #include "polarssl/padlock.h"
 #endif
@@ -530,6 +534,11 @@
         snprintf( buf, buflen, "NET - Connection requires a write call" );
 #endif /* POLARSSL_NET_C */
 
+#if defined(POLARSSL_OID_C)
+    if( use_ret == -(POLARSSL_ERR_OID_NOT_FOUND) )
+        snprintf( buf, buflen, "OID - OID is not found" );
+#endif /* POLARSSL_OID_C */
+
 #if defined(POLARSSL_PADLOCK_C)
     if( use_ret == -(POLARSSL_ERR_PADLOCK_DATA_MISALIGNED) )
         snprintf( buf, buflen, "PADLOCK - Input data should be aligned" );