diff --git a/testsuite/expect/test7.9 b/testsuite/expect/test7.9
index 33ebb01566e67b30338d2c35030700074042df0f..476857830c5c5abd1124975cbe039912103038f1 100755
--- a/testsuite/expect/test7.9
+++ b/testsuite/expect/test7.9
@@ -44,7 +44,7 @@ print_header $test_id
 
 #
 # Test is incompatible with proctrack/aix, proctrack/rms, proctrack/sgi_job,
-# and switch/elan
+# proctrack/cray, and switch/elan
 #
 # Each leave open files, although we could clear the proctrack related files
 # by just closing all files after fd=3. Closing all files from switch/elan
@@ -74,6 +74,11 @@ expect {
 		set invalid 1
 		exp_continue
 	}
+	-re "proctrack/cray" {
+		send_user "\nWARNING: test incompatible with proctrack/cray\n"
+		set invalid 1
+		exp_continue
+	}
 	-re "switch/elan" {
 		send_user "\nWARNING: test incompatible with switch/elan\n"
 		set invalid 1