diff --git a/tools/releasetools/build_super_image.py b/tools/releasetools/build_super_image.py
index fb314153ca..ac61e609d3 100755
--- a/tools/releasetools/build_super_image.py
+++ b/tools/releasetools/build_super_image.py
@@ -194,10 +194,8 @@ def BuildSuperImage(inp, out):
       return BuildSuperImageFromTargetFiles(inp, out)
 
     if os.path.isfile(inp):
-      with open(inp) as f:
-        lines = f.read()
       logger.info("Building super image from info dict...")
-      return BuildSuperImageFromDict(common.LoadDictionaryFromLines(lines.split("\n")), out)
+      return BuildSuperImageFromDict(common.LoadDictionaryFromFile(inp), out)
 
   raise ValueError("{} is not a dictionary or a valid path".format(inp))