diff --git a/components/libc/compilers/dlib/SConscript b/components/libc/compilers/dlib/SConscript
index 51573b9e9a..8a7bf8533f 100644
--- a/components/libc/compilers/dlib/SConscript
+++ b/components/libc/compilers/dlib/SConscript
@@ -10,7 +10,7 @@ if rtconfig.PLATFORM in ['iccarm']:
 
     if GetDepend('DFS_USING_POSIX'):
         from distutils.version import LooseVersion
-        from iar import IARVersion
+        from targets.iar import IARVersion
 
         CPPDEFINES = CPPDEFINES + ['_DLIB_FILE_DESCRIPTOR']
         iar_version = LooseVersion(IARVersion())