diff --git a/lib/asn1/lex.l b/lib/asn1/lex.l
index 76cbf7e02..435c25011 100644
--- a/lib/asn1/lex.l
+++ b/lib/asn1/lex.l
@@ -58,6 +58,10 @@ static void unterminated(const char *, unsigned);
 
 %}
 
+/* This is for Solaris 10 lex that doesn't grow its tables automagicly */
+%p 5000
+%a 5000
+%n 1000
 
 %%
 ABSENT			{ return kw_ABSENT; }