diff --git a/config/alfresco/messages/coci-service.properties b/config/alfresco/messages/coci-service.properties
index 39446bcb69..580aa9d85e 100644
--- a/config/alfresco/messages/coci-service.properties
+++ b/config/alfresco/messages/coci-service.properties
@@ -5,7 +5,7 @@ coci_service.err_bad_copy=The original node cannot be found.  Perhaps the copy h
 coci_service.err_not_owner=This user is not the owner of the working copy and cannot check it in.
 coci_service.err_workingcopy_checkout=A working copy cannot be checked out.
 coci_service.err_not_authenticated=Cannot find the currently authenticated user details required by the CheckOutCheckIn service.
-coci_service.err_workingcopy_has_no_mimetype=Working copy node ({0}) has no mimetype
+coci_service.err_workingcopy_has_no_content=Working copy node ({0}) has no content
 coci_service.err_already_checkedout=This node is already checked out.
 coci_service.err_cannot_rename=Cannot rename from {0} to {1}.
 coci_service.discussion_for={0} discussion
diff --git a/source/java/org/alfresco/repo/coci/CheckOutCheckInServiceImpl.java b/source/java/org/alfresco/repo/coci/CheckOutCheckInServiceImpl.java
index 6c685a3d6a..13231c61ac 100644
--- a/source/java/org/alfresco/repo/coci/CheckOutCheckInServiceImpl.java
+++ b/source/java/org/alfresco/repo/coci/CheckOutCheckInServiceImpl.java
@@ -80,7 +80,7 @@ public class CheckOutCheckInServiceImpl implements CheckOutCheckInService
     private static final String MSG_ERR_NOT_OWNER = "coci_service.err_not_owner"; 
     private static final String MSG_ERR_ALREADY_WORKING_COPY = "coci_service.err_workingcopy_checkout";
     private static final String MSG_ERR_NOT_AUTHENTICATED = "coci_service.err_not_authenticated";
-    private static final String MSG_ERR_WORKINGCOPY_HAS_NO_MIMETYPE = "coci_service.err_workingcopy_has_no_mimetype"; 
+    private static final String MSG_ERR_WORKINGCOPY_HAS_NO_CONTENT = "coci_service.err_workingcopy_has_no_content"; 
     private static final String MSG_ALREADY_CHECKEDOUT = "coci_service.err_already_checkedout";
     private static final String MSG_ERR_CANNOT_RENAME = "coci_service.err_cannot_rename";
     
@@ -563,7 +563,7 @@ public class CheckOutCheckInServiceImpl implements CheckOutCheckInService
             ContentData contentData = (ContentData) nodeService.getProperty(workingCopyNodeRef, ContentModel.PROP_CONTENT);
             if (contentData == null)
             {
-                throw new AlfrescoRuntimeException(MSG_ERR_WORKINGCOPY_HAS_NO_MIMETYPE, new Object[]{workingCopyNodeRef});
+                throw new AlfrescoRuntimeException(MSG_ERR_WORKINGCOPY_HAS_NO_CONTENT, new Object[]{workingCopyNodeRef});
             }
             else
             {