diff --git a/tensorflow/tools/ci_build/linux/mkl/set-build-env.py b/tensorflow/tools/ci_build/linux/mkl/set-build-env.py
index ba19c6174b7b55..1c6f1dffde239d 100755
--- a/tensorflow/tools/ci_build/linux/mkl/set-build-env.py
+++ b/tensorflow/tools/ci_build/linux/mkl/set-build-env.py
@@ -106,8 +106,9 @@ def gcc_version_ok(self, min_gcc_major_version, min_gcc_minor_version):
         raise ValueError(
             "{} does not exist or is not executable.".format(gcc_path))
 
-      gcc_output = subprocess.check_output([gcc_path, "-dumpversion"],
-                                           stderr=subprocess.STDOUT)
+      gcc_output = subprocess.check_output(
+          [gcc_path, "-dumpfullversion", "-dumpversion"],
+          stderr=subprocess.STDOUT).strip()
       # handle python2 vs 3 (bytes vs str type)
       if isinstance(gcc_output, bytes):
         gcc_output = gcc_output.decode("utf-8")