--- a/configure.ac
+++ b/configure.ac
@@ -251,14 +251,14 @@
 
 # Net-SNMP includes v3 support and insists on crypto unless compiled --without-openssl
 AC_MSG_CHECKING([if Net-SNMP needs crypto support])
-AC_TRY_COMPILE([#include <net-snmp-config.h>], [exit(NETSNMP_USE_OPENSSL != 1);],
+AC_TRY_COMPILE([#include <net-snmp/net-snmp-config.h>], [exit(NETSNMP_USE_OPENSSL != 1);],
   [  AC_MSG_RESULT(yes)
      SNMP_SSL=yes
   ],
   AC_MSG_RESULT(no)
 )
 
-AC_TRY_COMPILE([ #include <net-snmp-config.h> 
+AC_TRY_COMPILE([ #include <net-snmp/net-snmp-config.h> 
   #include <net-snmp/utilities.h>
   #include <net-snmp/net-snmp-includes.h>
   #include <net-snmp/config_api.h>