diff --git a/cmd/lotus-miner/sealing.go b/cmd/lotus-miner/sealing.go
index 75f02845ce2..a7e0a8de8dd 100644
--- a/cmd/lotus-miner/sealing.go
+++ b/cmd/lotus-miner/sealing.go
@@ -101,17 +101,33 @@ var sealingWorkersCmd = &cli.Command{
 
 			ramBarsRes := int(stat.Info.Resources.MemReserved * barCols / stat.Info.Resources.MemPhysical)
 			ramBarsUsed := int(stat.MemUsedMin * barCols / stat.Info.Resources.MemPhysical)
-			ramBar := color.YellowString(strings.Repeat("|", ramBarsRes)) +
+			ramRepeatSpace := int(barCols) - (ramBarsUsed + ramBarsRes)
+
+			colorFunc := color.YellowString
+			if ramRepeatSpace < 0 {
+				ramRepeatSpace = 0
+				colorFunc = color.RedString
+			}
+
+			ramBar := colorFunc(strings.Repeat("|", ramBarsRes)) +
 				color.GreenString(strings.Repeat("|", ramBarsUsed)) +
-				strings.Repeat(" ", int(barCols)-ramBarsUsed-ramBarsRes)
+				strings.Repeat(" ", ramRepeatSpace)
 
 			vmem := stat.Info.Resources.MemPhysical + stat.Info.Resources.MemSwap
 
 			vmemBarsRes := int(stat.Info.Resources.MemReserved * barCols / vmem)
 			vmemBarsUsed := int(stat.MemUsedMax * barCols / vmem)
-			vmemBar := color.YellowString(strings.Repeat("|", vmemBarsRes)) +
+			vmemRepeatSpace := int(barCols) - (vmemBarsUsed + vmemBarsRes)
+
+			colorFunc = color.YellowString
+			if vmemRepeatSpace < 0 {
+				vmemRepeatSpace = 0
+				colorFunc = color.RedString
+			}
+
+			vmemBar := colorFunc(strings.Repeat("|", vmemBarsRes)) +
 				color.GreenString(strings.Repeat("|", vmemBarsUsed)) +
-				strings.Repeat(" ", int(barCols)-vmemBarsUsed-vmemBarsRes)
+				strings.Repeat(" ", vmemRepeatSpace)
 
 			fmt.Printf("\tRAM:  [%s] %d%% %s/%s\n", ramBar,
 				(stat.Info.Resources.MemReserved+stat.MemUsedMin)*100/stat.Info.Resources.MemPhysical,