diff --git a/modules/TDEMacros.cmake b/modules/TDEMacros.cmake
index 5fc1667..39c44d3 100644
--- a/modules/TDEMacros.cmake
+++ b/modules/TDEMacros.cmake
@@ -1916,49 +1916,53 @@ macro( tde_create_translated_desktop )
     file( RELATIVE_PATH _target "${CMAKE_SOURCE_DIR}" "${_target}" )
     string( REPLACE "/" "+" _target "${_target}-translated" )
 
-    if( DESKTOP_MERGE_MSGFMT )
+    if( NOT TARGET ${_target} )
 
-      # Decide which translations to build; the ones selected in the
-      # LINGUAS environment variable, or all that are available.
-      if( DEFINED ENV{LINGUAS} )
-        set( _linguas "$ENV{LINGUAS}" )
-      else( )
-        string( REPLACE ".po;" " " _linguas "${_translations};" )
-      endif( )
+      if( DESKTOP_MERGE_MSGFMT )
 
-      # prepare keywords for msgfmt
-      set( _keywords_arg "--keyword=" )
-      foreach( _keyword ${_keywords_desktop} )
-        list( APPEND _keywords_arg "--keyword=\"${_keyword}\"" )
-      endforeach( )
+        # Decide which translations to build; the ones selected in the
+        # LINGUAS environment variable, or all that are available.
+        if( DEFINED ENV{LINGUAS} )
+          set( _linguas "$ENV{LINGUAS}" )
+        else( )
+          string( REPLACE ".po;" " " _linguas "${_translations};" )
+        endif( )
 
-      # merge translations command
-      get_filename_component( _src ${_src} ABSOLUTE )
-      add_custom_command(
-        OUTPUT ${_basename}
-        COMMAND ${CMAKE_COMMAND} -E env "LINGUAS=${_linguas}" ${MSGFMT_EXECUTABLE} --desktop --template ${_src} -d ${_po_dir} -o ${_basename} ${_keywords_arg}
-        DEPENDS ${_src}
-      )
+        # prepare keywords for msgfmt
+        set( _keywords_arg "--keyword=" )
+        foreach( _keyword ${_keywords_desktop} )
+          list( APPEND _keywords_arg "--keyword=\"${_keyword}\"" )
+        endforeach( )
 
-    else( )
+        # merge translations command
+        get_filename_component( _src ${_src} ABSOLUTE )
+        add_custom_command(
+          OUTPUT ${_basename}
+          COMMAND ${CMAKE_COMMAND} -E env "LINGUAS=${_linguas}" ${MSGFMT_EXECUTABLE} --desktop --template ${_src} -d ${_po_dir} -o ${_basename} ${_keywords_arg}
+          DEPENDS ${_src}
+        )
 
-      # create template for intltool-merge
-      file( READ ${_src} _src_data )
-      string( REPLACE ";" "|" _keywords_match "(${_keywords_desktop})" )
-      string( REGEX REPLACE "(^|\n)${_keywords_match}[ ]*=[ ]*" "\\1_\\2=" _src_data "${_src_data}" )
-      file( WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.in "${_src_data}" )
+      else( )
 
-      # merge translations command
-      add_custom_command(
-        OUTPUT ${_basename}
-        COMMAND ${INTLTOOL_MERGE_EXECUTABLE} -d ${_po_dir} ${_basename}.in ${_basename}
-        DEPENDS ${_src}
-      )
+        # create template for intltool-merge
+        file( READ ${_src} _src_data )
+        string( REPLACE ";" "|" _keywords_match "(${_keywords_desktop})" )
+        string( REGEX REPLACE "(^|\n)${_keywords_match}[ ]*=[ ]*" "\\1_\\2=" _src_data "${_src_data}" )
+        file( WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.in "${_src_data}" )
 
-    endif( )
+        # merge translations command
+        add_custom_command(
+          OUTPUT ${_basename}
+          COMMAND ${INTLTOOL_MERGE_EXECUTABLE} -d ${_po_dir} ${_basename}.in ${_basename}
+          DEPENDS ${_src}
+        )
 
-    # merge translations target
-    add_custom_target( "${_target}" ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_basename} )
+      endif( )
+
+      # merge translations target
+      add_custom_target( "${_target}" ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_basename} )
+
+    endif()
 
   else( )