diff --git a/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallJob.java b/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallJob.java
index feb93da937..2d97853280 100644
--- a/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallJob.java
+++ b/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallJob.java
@@ -154,7 +154,7 @@ private void applyAction(ExtensionPlanAction action) throws UninstallException
         String namespace = action.getNamespace();
 
         if (namespace != null) {
-            this.logger.info("Uninstalling extension [{}] on namespace [{}]", localExtension.toString(), namespace);
+            this.logger.info("Uninstalling extension [{}] from namespace [{}]", localExtension.toString(), namespace);
         } else {
             this.logger.info("Uninstalling extension [{}]", localExtension.toString());
         }
@@ -174,7 +174,7 @@ private void applyAction(ExtensionPlanAction action) throws UninstallException
                 localExtension);
 
             if (namespace != null) {
-                this.logger.info("Successfully uninstalled extension [{}] on namespace [{}]",
+                this.logger.info("Successfully uninstalled extension [{}] from namespace [{}]",
                     localExtension.toString(), namespace);
             } else {
                 this.logger.info("Successfully uninstalled extension [{}]", localExtension.toString());
diff --git a/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallPlanJob.java b/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallPlanJob.java
index 6f15fd916c..8404b689ac 100644
--- a/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallPlanJob.java
+++ b/xwiki-commons-core/xwiki-commons-extension/xwiki-commons-extension-api/src/main/java/org/xwiki/extension/job/internal/UninstallPlanJob.java
@@ -66,7 +66,7 @@ public class UninstallPlanJob extends AbstractExtensionJob<UninstallRequest>
     /**
      * Error message used in exception throw when trying to uninstall an extension which is not installed.
      */
-    private static final String EXCEPTION_NOTINSTALLEDNAMESPACE = EXCEPTION_NOTINSTALLED + " on namespace [{1}]";
+    private static final String EXCEPTION_NOTINSTALLEDNAMESPACE = EXCEPTION_NOTINSTALLED + " from namespace [{1}]";
 
     /**
      * Used to manipulate local repository.