diff --git a/bundles/org.openhab.transform.map/src/main/java/org/openhab/transform/map/internal/MapTransformationService.java b/bundles/org.openhab.transform.map/src/main/java/org/openhab/transform/map/internal/MapTransformationService.java
index dab6bb225..61b795365 100644
--- a/bundles/org.openhab.transform.map/src/main/java/org/openhab/transform/map/internal/MapTransformationService.java
+++ b/bundles/org.openhab.transform.map/src/main/java/org/openhab/transform/map/internal/MapTransformationService.java
@@ -81,7 +81,7 @@ public class MapTransformationService
             if (!cachedTransformations.containsKey(transformation.getUID())) {
                 importConfiguration(transformation);
             }
-            Properties properties = cachedTransformations.get(function);
+            Properties properties = cachedTransformations.get(transformation.getUID());
             if (properties != null) {
                 String target = properties.getProperty(source);
 
diff --git a/bundles/org.openhab.transform.scale/src/main/java/org/openhab/transform/scale/internal/ScaleTransformationService.java b/bundles/org.openhab.transform.scale/src/main/java/org/openhab/transform/scale/internal/ScaleTransformationService.java
index bcc493820..b7cf56ace 100644
--- a/bundles/org.openhab.transform.scale/src/main/java/org/openhab/transform/scale/internal/ScaleTransformationService.java
+++ b/bundles/org.openhab.transform.scale/src/main/java/org/openhab/transform/scale/internal/ScaleTransformationService.java
@@ -149,7 +149,7 @@ public class ScaleTransformationService
             if (!cachedTransformations.containsKey(transformation.getUID())) {
                 importConfiguration(transformation);
             }
-            Map<@Nullable Range, String> data = cachedTransformations.get(function);
+            Map<@Nullable Range, String> data = cachedTransformations.get(transformation.getUID());
 
             if (data != null) {
                 String target;