diff --git a/VAX/tests/vax-diag_test.ini b/VAX/tests/vax-diag_test.ini
index 215d82dd..1cd6a661 100644
--- a/VAX/tests/vax-diag_test.ini
+++ b/VAX/tests/vax-diag_test.ini
@@ -123,6 +123,9 @@ exit 0
 # VAX 8200 Diagnostic Supervisor Setup for EVKAB/C/D/E
 expect "DS> " send "ATTACH KA820 HUB KA0 4096 0\r"; go -q
 expect "DS> " send "ATTACH DWBUA HUB DW0 4 5\r"; go -q
+# VAX 8200 simulates the floating point accelerator which then 
+# inspires tests to use it.  This takes more time.
+set runlimit 3 minutes
 call Common
 call do_test EVKAB "VAX Basic Instructions Exerciser"
 call do_test EVKAC "VAX Floating Point Instructions Exerciser"