diff --git a/src/theme/Themes.js b/src/theme/Themes.js
index 2e0ad476689a..0912d7ad9cd9 100644
--- a/src/theme/Themes.js
+++ b/src/theme/Themes.js
@@ -256,7 +256,7 @@ export class ThemesService extends olEventsEventTarget {
         gmfLayerWMTS.url,
         gmfLayerWMTS.layer || '',
         gmfLayerWMTS.matrixSet,
-        gmfLayerWMTS.layer.dimensions,
+        gmfLayerWMTS.dimensions,
         gmfLayerWMTS.metadata.customOpenLayersOptions,
         minResolution,
         maxResolution,