diff --git a/tests/unit/oom-score-adj.tcl b/tests/unit/oom-score-adj.tcl
index 6c7b71392..c557fee42 100644
--- a/tests/unit/oom-score-adj.tcl
+++ b/tests/unit/oom-score-adj.tcl
@@ -101,25 +101,27 @@ if {$system_name eq {linux}} {
 
         test {CONFIG SET oom score restored on disable} {
             r config set oom-score-adj no
-            set_oom_score_adj 22
-            assert_equal [get_oom_score_adj] 22
+            set custom_oom [expr [get_oom_score_adj] + 1]
+            set_oom_score_adj $custom_oom
+            assert_equal [get_oom_score_adj] $custom_oom
 
             r config set oom-score-adj-values "9 9 9" oom-score-adj yes
-            assert_equal [get_oom_score_adj] [expr 9+22]
+            assert_equal [get_oom_score_adj] [expr 9+$custom_oom]
 
             r config set oom-score-adj no
-            assert_equal [get_oom_score_adj] 22
+            assert_equal [get_oom_score_adj] $custom_oom
         }
 
         test {CONFIG SET oom score relative and absolute} {
-            set custom_oom 9
             r config set oom-score-adj no
             set base_oom [get_oom_score_adj]
 
+            set custom_oom 9
             r config set oom-score-adj-values "$custom_oom $custom_oom $custom_oom" oom-score-adj relative
             assert_equal [get_oom_score_adj] [expr $base_oom+$custom_oom]
 
-            r config set oom-score-adj absolute
+            set custom_oom [expr [get_oom_score_adj] + 1]
+            r config set oom-score-adj-values "$custom_oom $custom_oom $custom_oom" oom-score-adj absolute
             assert_equal [get_oom_score_adj] $custom_oom
         }