diff --git a/tests/unit/memefficiency.tcl b/tests/unit/memefficiency.tcl
index 1a558c3f9..0fad0fba7 100644
--- a/tests/unit/memefficiency.tcl
+++ b/tests/unit/memefficiency.tcl
@@ -71,8 +71,12 @@ run_solo {defrag} {
                 # Wait for the active defrag to start working (decision once a
                 # second).
                 wait_for_condition 50 100 {
-                    [s active_defrag_running] ne 0
+                    [s total_active_defrag_time] ne 0
                 } else {
+                    after 120 ;# serverCron only updates the info once in 100ms
+                    puts [r info memory]
+                    puts [r info stats]
+                    puts [r memory malloc-stats]
                     fail "defrag not started."
                 }
 
@@ -218,8 +222,12 @@ run_solo {defrag} {
             
                 # wait for the active defrag to start working (decision once a second)
                 wait_for_condition 50 100 {
-                    [s active_defrag_running] ne 0
+                    [s total_active_defrag_time] ne 0
                 } else {
+                    after 120 ;# serverCron only updates the info once in 100ms
+                    puts [r info memory]
+                    puts [r info stats]
+                    puts [r memory malloc-stats]
                     fail "defrag not started."
                 }
 
@@ -336,8 +344,12 @@ run_solo {defrag} {
             if {[r config get activedefrag] eq "activedefrag yes"} {
                 # wait for the active defrag to start working (decision once a second)
                 wait_for_condition 50 100 {
-                    [s active_defrag_running] ne 0
+                    [s total_active_defrag_time] ne 0
                 } else {
+                    after 120 ;# serverCron only updates the info once in 100ms
+                    puts [r info memory]
+                    puts [r info stats]
+                    puts [r memory malloc-stats]
                     fail "defrag not started."
                 }
 
@@ -432,8 +444,12 @@ run_solo {defrag} {
             if {[r config get activedefrag] eq "activedefrag yes"} {
                 # wait for the active defrag to start working (decision once a second)
                 wait_for_condition 50 100 {
-                    [s active_defrag_running] ne 0
+                    [s total_active_defrag_time] ne 0
                 } else {
+                    after 120 ;# serverCron only updates the info once in 100ms
+                    puts [r info memory]
+                    puts [r info stats]
+                    puts [r memory malloc-stats]
                     fail "defrag not started."
                 }
 
@@ -552,8 +568,12 @@ run_solo {defrag} {
                 if {[r config get activedefrag] eq "activedefrag yes"} {
                     # wait for the active defrag to start working (decision once a second)
                     wait_for_condition 50 100 {
-                        [s active_defrag_running] ne 0
+                        [s total_active_defrag_time] ne 0
                     } else {
+                        after 120 ;# serverCron only updates the info once in 100ms
+                        puts [r info memory]
+                        puts [r info stats]
+                        puts [r memory malloc-stats]
                         fail "defrag not started."
                     }