diff --git a/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc b/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc
index c22085fae1..c4e6e0e0a6 100644
--- a/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc
+++ b/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc
@@ -20,6 +20,11 @@
 
 [BuildOptions]
   GCC:*_*_*_CC_FLAGS = -fno-pie
+!ifdef $(UNIT_TESTING_DEBUG)
+  MSFT:*_*_*_CC_FLAGS  = -D UNIT_TESTING_DEBUG=1
+  GCC:*_*_*_CC_FLAGS   = -D UNIT_TESTING_DEBUG=1
+  XCODE:*_*_*_CC_FLAGS = -D UNIT_TESTING_DEBUG=1
+!endif
 
 [BuildOptions.common.EDKII.HOST_APPLICATION]
   #