diff --git a/src/ol/format/GPX.js b/src/ol/format/GPX.js
index f5d06a8f58..ea15be4fe9 100644
--- a/src/ol/format/GPX.js
+++ b/src/ol/format/GPX.js
@@ -28,7 +28,7 @@ import {includes} from '../array.js';
 import {
   readDateTime,
   readDecimal,
-  readNonNegativeInteger,
+  readPositiveInteger,
   readString,
   writeDateTimeTextNode,
   writeDecimalTextNode,
@@ -262,7 +262,7 @@ const RTE_PARSERS = makeStructureNS(NAMESPACE_URIS, {
   'desc': makeObjectPropertySetter(readString),
   'src': makeObjectPropertySetter(readString),
   'link': parseLink,
-  'number': makeObjectPropertySetter(readNonNegativeInteger),
+  'number': makeObjectPropertySetter(readPositiveInteger),
   'extensions': parseExtensions,
   'type': makeObjectPropertySetter(readString),
   'rtept': parseRtePt,
@@ -289,7 +289,7 @@ const TRK_PARSERS = makeStructureNS(NAMESPACE_URIS, {
   'desc': makeObjectPropertySetter(readString),
   'src': makeObjectPropertySetter(readString),
   'link': parseLink,
-  'number': makeObjectPropertySetter(readNonNegativeInteger),
+  'number': makeObjectPropertySetter(readPositiveInteger),
   'type': makeObjectPropertySetter(readString),
   'extensions': parseExtensions,
   'trkseg': parseTrkSeg,
@@ -332,12 +332,12 @@ const WPT_PARSERS = makeStructureNS(NAMESPACE_URIS, {
   'sym': makeObjectPropertySetter(readString),
   'type': makeObjectPropertySetter(readString),
   'fix': makeObjectPropertySetter(readString),
-  'sat': makeObjectPropertySetter(readNonNegativeInteger),
+  'sat': makeObjectPropertySetter(readPositiveInteger),
   'hdop': makeObjectPropertySetter(readDecimal),
   'vdop': makeObjectPropertySetter(readDecimal),
   'pdop': makeObjectPropertySetter(readDecimal),
   'ageofdgpsdata': makeObjectPropertySetter(readDecimal),
-  'dgpsid': makeObjectPropertySetter(readNonNegativeInteger),
+  'dgpsid': makeObjectPropertySetter(readPositiveInteger),
   'extensions': parseExtensions,
 });
 
diff --git a/src/ol/format/WFS.js b/src/ol/format/WFS.js
index b0d3554d68..dadf744a85 100644
--- a/src/ol/format/WFS.js
+++ b/src/ol/format/WFS.js
@@ -24,8 +24,8 @@ import {assert} from '../asserts.js';
 import {assign} from '../obj.js';
 import {get as getProjection} from '../proj.js';
 import {
-  readNonNegativeInteger,
   readNonNegativeIntegerString,
+  readPositiveInteger,
   writeStringTextNode,
 } from './xsd.js';
 
@@ -51,14 +51,14 @@ const FEATURE_COLLECTION_PARSERS = {
  */
 const TRANSACTION_SUMMARY_PARSERS = {
   'http://www.opengis.net/wfs': {
-    'totalInserted': makeObjectPropertySetter(readNonNegativeInteger),
-    'totalUpdated': makeObjectPropertySetter(readNonNegativeInteger),
-    'totalDeleted': makeObjectPropertySetter(readNonNegativeInteger),
+    'totalInserted': makeObjectPropertySetter(readPositiveInteger),
+    'totalUpdated': makeObjectPropertySetter(readPositiveInteger),
+    'totalDeleted': makeObjectPropertySetter(readPositiveInteger),
   },
   'http://www.opengis.net/wfs/2.0': {
-    'totalInserted': makeObjectPropertySetter(readNonNegativeInteger),
-    'totalUpdated': makeObjectPropertySetter(readNonNegativeInteger),
-    'totalDeleted': makeObjectPropertySetter(readNonNegativeInteger),
+    'totalInserted': makeObjectPropertySetter(readPositiveInteger),
+    'totalUpdated': makeObjectPropertySetter(readPositiveInteger),
+    'totalDeleted': makeObjectPropertySetter(readPositiveInteger),
   },
 };
 
diff --git a/src/ol/format/WMSCapabilities.js b/src/ol/format/WMSCapabilities.js
index 4396617bc7..08a044463f 100644
--- a/src/ol/format/WMSCapabilities.js
+++ b/src/ol/format/WMSCapabilities.js
@@ -13,8 +13,8 @@ import {
   readBooleanString,
   readDecimal,
   readDecimalString,
-  readNonNegativeInteger,
   readNonNegativeIntegerString,
+  readPositiveInteger,
   readString,
 } from './xsd.js';
 import {readHref} from './xlink.js';
@@ -94,9 +94,9 @@ const SERVICE_PARSERS = makeStructureNS(NAMESPACE_URIS, {
   'ContactInformation': makeObjectPropertySetter(readContactInformation),
   'Fees': makeObjectPropertySetter(readString),
   'AccessConstraints': makeObjectPropertySetter(readString),
-  'LayerLimit': makeObjectPropertySetter(readNonNegativeInteger),
-  'MaxWidth': makeObjectPropertySetter(readNonNegativeInteger),
-  'MaxHeight': makeObjectPropertySetter(readNonNegativeInteger),
+  'LayerLimit': makeObjectPropertySetter(readPositiveInteger),
+  'MaxWidth': makeObjectPropertySetter(readPositiveInteger),
+  'MaxHeight': makeObjectPropertySetter(readPositiveInteger),
 });
 
 /**
diff --git a/src/ol/format/WMTSCapabilities.js b/src/ol/format/WMTSCapabilities.js
index 554c9a2337..cc70d49e50 100644
--- a/src/ol/format/WMTSCapabilities.js
+++ b/src/ol/format/WMTSCapabilities.js
@@ -11,7 +11,7 @@ import {
   makeStructureNS,
   pushParseAndPop,
 } from '../xml.js';
-import {readDecimal, readNonNegativeInteger, readString} from './xsd.js';
+import {readDecimal, readPositiveInteger, readString} from './xsd.js';
 import {readHref} from './xlink.js';
 
 /**
@@ -150,10 +150,10 @@ const TMS_LIMITS_LIST_PARSERS = makeStructureNS(NAMESPACE_URIS, {
 // @ts-ignore
 const TMS_LIMITS_PARSERS = makeStructureNS(NAMESPACE_URIS, {
   'TileMatrix': makeObjectPropertySetter(readString),
-  'MinTileRow': makeObjectPropertySetter(readNonNegativeInteger),
-  'MaxTileRow': makeObjectPropertySetter(readNonNegativeInteger),
-  'MinTileCol': makeObjectPropertySetter(readNonNegativeInteger),
-  'MaxTileCol': makeObjectPropertySetter(readNonNegativeInteger),
+  'MinTileRow': makeObjectPropertySetter(readPositiveInteger),
+  'MaxTileRow': makeObjectPropertySetter(readPositiveInteger),
+  'MinTileCol': makeObjectPropertySetter(readPositiveInteger),
+  'MaxTileCol': makeObjectPropertySetter(readPositiveInteger),
 });
 
 /**
@@ -210,10 +210,10 @@ const TM_PARSERS = makeStructureNS(
   {
     'TopLeftCorner': makeObjectPropertySetter(readCoordinates),
     'ScaleDenominator': makeObjectPropertySetter(readDecimal),
-    'TileWidth': makeObjectPropertySetter(readNonNegativeInteger),
-    'TileHeight': makeObjectPropertySetter(readNonNegativeInteger),
-    'MatrixWidth': makeObjectPropertySetter(readNonNegativeInteger),
-    'MatrixHeight': makeObjectPropertySetter(readNonNegativeInteger),
+    'TileWidth': makeObjectPropertySetter(readPositiveInteger),
+    'TileHeight': makeObjectPropertySetter(readPositiveInteger),
+    'MatrixWidth': makeObjectPropertySetter(readPositiveInteger),
+    'MatrixHeight': makeObjectPropertySetter(readPositiveInteger),
   },
   makeStructureNS(OWS_NAMESPACE_URIS, {
     'Identifier': makeObjectPropertySetter(readString),
diff --git a/src/ol/format/xsd.js b/src/ol/format/xsd.js
index a677379964..58762370f3 100644
--- a/src/ol/format/xsd.js
+++ b/src/ol/format/xsd.js
@@ -63,7 +63,7 @@ export function readDecimalString(string) {
  * @param {Node} node Node.
  * @return {number|undefined} Non negative integer.
  */
-export function readNonNegativeInteger(node) {
+export function readPositiveInteger(node) {
   const s = getAllTextContent(node, false);
   return readNonNegativeIntegerString(s);
 }