diff --git a/BaseTools/Plugin/HostBasedUnitTestRunner/HostBasedUnitTestRunner.py b/BaseTools/Plugin/HostBasedUnitTestRunner/HostBasedUnitTestRunner.py
index a384b55629..d993de9412 100644
--- a/BaseTools/Plugin/HostBasedUnitTestRunner/HostBasedUnitTestRunner.py
+++ b/BaseTools/Plugin/HostBasedUnitTestRunner/HostBasedUnitTestRunner.py
@@ -130,9 +130,13 @@ class HostBasedUnitTestRunner(IUefiBuildPlugin):
 
             if thebuilder.env.GetValue("CODE_COVERAGE") != "FALSE":
                 if thebuilder.env.GetValue("TOOL_CHAIN_TAG") == "GCC5":
-                    self.gen_code_coverage_gcc(thebuilder)
+                    ret = self.gen_code_coverage_gcc(thebuilder)
+                    if ret != 0:
+                        failure_count += 1
                 elif thebuilder.env.GetValue("TOOL_CHAIN_TAG").startswith ("VS"):
-                    self.gen_code_coverage_msvc(thebuilder)
+                    ret = self.gen_code_coverage_msvc(thebuilder)
+                    if ret != 0:
+                        failure_count += 1
                 else:
                     logging.info("Skipping code coverage. Currently, support GCC and MSVC compiler.")