diff --git a/src/List.js b/src/List.js
index 855b47682..5f3784673 100644
--- a/src/List.js
+++ b/src/List.js
@@ -31,7 +31,7 @@ export class List extends IndexedCollection {
 
   constructor(value) {
     const empty = emptyList();
-    if (value === null || value === undefined) {
+    if (value === undefined || value === null) {
       return empty;
     }
     if (isList(value)) {
diff --git a/src/Map.js b/src/Map.js
index 9ff650c9b..9a3628c69 100644
--- a/src/Map.js
+++ b/src/Map.js
@@ -36,7 +36,7 @@ export class Map extends KeyedCollection {
   // @pragma Construction
 
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptyMap()
       : isMap(value) && !isOrdered(value)
       ? value
diff --git a/src/OrderedMap.js b/src/OrderedMap.js
index 7ed03e569..6da2d762b 100644
--- a/src/OrderedMap.js
+++ b/src/OrderedMap.js
@@ -10,7 +10,7 @@ export class OrderedMap extends Map {
   // @pragma Construction
 
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptyOrderedMap()
       : isOrderedMap(value)
       ? value
diff --git a/src/OrderedSet.js b/src/OrderedSet.js
index b1b8140b4..c7b351ba0 100644
--- a/src/OrderedSet.js
+++ b/src/OrderedSet.js
@@ -10,7 +10,7 @@ export class OrderedSet extends Set {
   // @pragma Construction
 
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptyOrderedSet()
       : isOrderedSet(value)
       ? value
diff --git a/src/Seq.js b/src/Seq.js
index d9cdbd871..bf467c5ff 100644
--- a/src/Seq.js
+++ b/src/Seq.js
@@ -23,7 +23,7 @@ import isArrayLike from './utils/isArrayLike';
 
 export class Seq extends Collection {
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptySequence()
       : isImmutable(value)
       ? value.toSeq()
@@ -85,7 +85,7 @@ export class Seq extends Collection {
 
 export class KeyedSeq extends Seq {
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptySequence().toKeyedSeq()
       : isCollection(value)
       ? isKeyed(value)
@@ -103,7 +103,7 @@ export class KeyedSeq extends Seq {
 
 export class IndexedSeq extends Seq {
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptySequence()
       : isCollection(value)
       ? isKeyed(value)
diff --git a/src/Set.js b/src/Set.js
index a910760cf..067a1f7d7 100644
--- a/src/Set.js
+++ b/src/Set.js
@@ -15,7 +15,7 @@ export class Set extends SetCollection {
   // @pragma Construction
 
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptySet()
       : isSet(value) && !isOrdered(value)
       ? value
diff --git a/src/Stack.js b/src/Stack.js
index 0a5ba8a65..6a7a6f219 100644
--- a/src/Stack.js
+++ b/src/Stack.js
@@ -13,7 +13,7 @@ export class Stack extends IndexedCollection {
   // @pragma Construction
 
   constructor(value) {
-    return value === null || value === undefined
+    return value === undefined || value === null
       ? emptyStack()
       : isStack(value)
       ? value