diff --git a/array.go b/array.go
index ac3e17c8..1a746a53 100644
--- a/array.go
+++ b/array.go
@@ -623,6 +623,7 @@ func (a *arrayObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error
 	if err := ctx.Descend(); err != nil {
 		return memUsage, err
 	}
+	defer ctx.Ascend()
 
 	if ctx.ArrayLenExceedsThreshold == nil {
 		return memUsage, errArrayLenExceedsThresholdNil
@@ -640,7 +641,6 @@ func (a *arrayObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error
 			return memUsage, err
 		}
 
-		ctx.Ascend()
 		return memUsage, nil
 	}
 
@@ -661,6 +661,5 @@ func (a *arrayObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error
 		}
 	}
 
-	ctx.Ascend()
 	return memUsage, nil
 }
diff --git a/array_sparse.go b/array_sparse.go
index 89f23285..2e3863a1 100644
--- a/array_sparse.go
+++ b/array_sparse.go
@@ -535,6 +535,7 @@ func (a *sparseArrayObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err
 	if err := ctx.Descend(); err != nil {
 		return SizeEmptyStruct, err
 	}
+	defer ctx.Ascend()
 
 	// sparseArrayObject overhead
 	memUsage = SizeEmptyStruct
@@ -552,7 +553,6 @@ func (a *sparseArrayObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err
 			return memUsage, err
 		}
 
-		ctx.Ascend()
 		return memUsage, nil
 	}
 
@@ -571,7 +571,5 @@ func (a *sparseArrayObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err
 		}
 	}
 
-	ctx.Ascend()
-
 	return memUsage, err
 }
diff --git a/builtin_map.go b/builtin_map.go
index 6922486d..c0fc5b85 100644
--- a/builtin_map.go
+++ b/builtin_map.go
@@ -137,6 +137,7 @@ func (mo *mapObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error)
 	if err := ctx.Descend(); err != nil {
 		return memUsage, err
 	}
+	defer ctx.Ascend()
 
 	memUsage, err = mo.baseObject.MemUsage(ctx)
 	if err != nil {
@@ -176,8 +177,6 @@ func (mo *mapObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error)
 		}
 	}
 
-	ctx.Ascend()
-
 	return memUsage, nil
 }
 
diff --git a/builtin_set.go b/builtin_set.go
index c393ae36..026aaa12 100644
--- a/builtin_set.go
+++ b/builtin_set.go
@@ -393,6 +393,7 @@ func (so *setObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error)
 	if err := ctx.Descend(); err != nil {
 		return memUsage, err
 	}
+	defer ctx.Ascend()
 
 	memUsage, err = so.baseObject.MemUsage(ctx)
 	if err != nil {
@@ -434,7 +435,5 @@ func (so *setObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error)
 		}
 	}
 
-	ctx.Ascend()
-
 	return memUsage, nil
 }
diff --git a/object.go b/object.go
index f78102b4..928b8c15 100644
--- a/object.go
+++ b/object.go
@@ -1946,6 +1946,7 @@ func (o *baseObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error)
 	if err := ctx.Descend(); err != nil {
 		return 0, err
 	}
+	defer ctx.Ascend()
 
 	memUsage = SizeEmptyStruct
 	if ctx.ObjectPropsLenExceedsThreshold(len(o.propNames)) {
@@ -1981,8 +1982,6 @@ func (o *baseObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error)
 		}
 	}
 
-	ctx.Ascend()
-
 	return memUsage, nil
 }
 
diff --git a/proxy.go b/proxy.go
index 395c3b0b..a10ad7b7 100644
--- a/proxy.go
+++ b/proxy.go
@@ -1063,6 +1063,7 @@ func (p *proxyObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error
 	if err := ctx.Descend(); err != nil {
 		return 0, err
 	}
+	defer ctx.Ascend()
 
 	memUsage = SizeEmptyStruct
 	inc, err := p.baseObject.MemUsage(ctx)
@@ -1087,8 +1088,6 @@ func (p *proxyObject) MemUsage(ctx *MemUsageContext) (memUsage uint64, err error
 		}
 	}
 
-	ctx.Ascend()
-
 	return memUsage, nil
 }