diff --git a/src/win32.mak b/src/win32.mak
index 91d90457ecd4..6199532182f5 100644
--- a/src/win32.mak
+++ b/src/win32.mak
@@ -306,7 +306,8 @@ trace:
 	$(DMDMAKE) "OPT=-o" "DEBUG=-gt -Nc" "DDEBUG=-debug -g -unittest" "DOPT=" "LFLAGS=-L/ma/co/delexe/la" $(TARGETEXE)
 
 unittest:
-	$(DMDMAKE) "OPT=-o" "DEBUG=" "DDEBUG=-debug -g -unittest -cov" "DOPT=" "LFLAGS=-L/ma/co/delexe/la" $(TARGETEXE)
+	$(DMDMAKE) "OPT=-o" "DEBUG=" "DDEBUG=-g -unittest -cov" "DOPT=" "LFLAGS=-L/ma/co/delexe/la" $(TARGETEXE)
+	$(TARGETEXE)
 
 ################################ Libraries ##################################
 
diff --git a/src/win64.mak b/src/win64.mak
index 70022368363e..c3dd1e823b90 100644
--- a/src/win64.mak
+++ b/src/win64.mak
@@ -34,6 +34,8 @@ trace : $(DEPENDENCIES)
 clean :
 	del $(DEPENDENCIES) dmd.pdb
 	$(MAKE_WIN32) $@
+unittest: $(DEPENDENCIES)
+	$(MAKE_WIN32) $@
 install : $(DEPENDENCIES)
 	$(MAKE_WIN32) $@
 install-clean : $(DEPENDENCIES)
diff --git a/win32.mak b/win32.mak
index 0fd01770a77c..e0415b441f95 100644
--- a/win32.mak
+++ b/win32.mak
@@ -17,5 +17,6 @@ auto-tester-test:
 	cd samples
 	gmake -f win32.mak DMD=..\src\dmd.exe MODEL=$(MODEL) "LIB=..\..\phobos;$(LIB)" \
 		"DFLAGS=-I..\..\druntime\import -I..\..\phobos -m$(MODEL)"
+	cd ..\src
+	make -f win32.mak unittest
 	cd ..
-