diff --git a/tests/support/util.tcl b/tests/support/util.tcl
index 5d06c8c..8cbc6d3 100644
--- a/tests/support/util.tcl
+++ b/tests/support/util.tcl
@@ -712,7 +712,7 @@ proc get_proc_state {pid} {
     if {[get_system_name] eq {sunos}} {
         return [exec ps -o s= -p $pid]
     } else {
-        return [exec ps -o state= -p $pid]
+        return [exec ps -o s= -p $pid]
     }
 }
 
@@ -720,7 +720,7 @@ proc get_proc_job {pid} {
     if {[get_system_name] eq {sunos}} {
         return [exec ps -l -p $pid]
     } else {
-        return [exec ps j $pid]
+        return [exec ps -l -p $pid]
     }
 }
 
@@ -744,7 +744,7 @@ proc resume_process {pid} {
 
     set max_attempts 10
     set attempt 0
-    while {($attempt < $max_attempts) && [string match "T*" [exec ps -o state= -p $pid]]} {
+    while {($attempt < $max_attempts) && [string match "T*" [exec ps -o s= -p $pid]]} {
         exec kill -SIGCONT $pid
 
         incr attempt
@@ -752,8 +752,8 @@ proc resume_process {pid} {
     }
 
     wait_for_condition 50 1000 {
-        [string match "R*" [exec ps -o state= -p $pid]] ||
-        [string match "S*" [exec ps -o state= -p $pid]]
+        [string match "R*" [exec ps -o s= -p $pid]] ||
+        [string match "S*" [exec ps -o s= -p $pid]]
     } else {
         puts [exec ps j $pid]
         fail "process was not resumed"