diff --git a/Configurations/descrip.mms.tmpl b/Configurations/descrip.mms.tmpl
index 3d221f5ef7ead89361b9b321be90427ef43ae667..15e0678ac54ddbb698e4880db57f557cc674f6d1 100644
--- a/Configurations/descrip.mms.tmpl
+++ b/Configurations/descrip.mms.tmpl
@@ -267,8 +267,10 @@ test tests : build_generated, build_programs_nodep, build_engines_nodep, -
         DEFINE SRCTOP {- sourcedir() -}
         DEFINE BLDTOP {- builddir() -}
         DEFINE OPENSSL_ENGINES {- builddir("engines") -}
+        DEFINE OPENSSL_DEBUG_MEMORY "on"
         IF "$(VERBOSE)" .NES. "" THEN DEFINE VERBOSE "$(VERBOSE)"
         $(PERL) {- sourcefile("test", "run_tests.pl") -} $(TESTS)
+        DEASSIGN OPENSSL_DEBUG_MEMORY
         DEASSIGN OPENSSL_ENGINES
         DEASSIGN BLDTOP
         DEASSIGN SRCTOP
diff --git a/Configurations/unix-Makefile.tmpl b/Configurations/unix-Makefile.tmpl
index b2638329274dc2b3dc52c1740dbda30d194e5f93..eb476305fe3f6efd327822210a26e9951abe29a0 100644
--- a/Configurations/unix-Makefile.tmpl
+++ b/Configurations/unix-Makefile.tmpl
@@ -251,6 +251,7 @@ test: tests
 	  PERL="$(PERL)" \
 	  EXE_EXT={- $exeext -} \
 	  OPENSSL_ENGINES=../$(BLDDIR)/engines \
+	  OPENSSL_DEBUG_MEMORY=on \
 	    $(PERL) ../$(SRCDIR)/test/run_tests.pl $(TESTS) )
 	@ : {- if ($disabled{tests}) { output_on(); } else { output_off(); } "" -}
 	@echo "Tests are not supported with your chosen Configure options"
diff --git a/Configurations/windows-makefile.tmpl b/Configurations/windows-makefile.tmpl
index 4c8e89fd4b4dafefc010bd9ee28f104de2936b61..a0ee953dc6ea7159a3913c4362b58f00358d98f8 100644
--- a/Configurations/windows-makefile.tmpl
+++ b/Configurations/windows-makefile.tmpl
@@ -198,6 +198,7 @@ tests: build_generated build_programs_nodep build_engines_nodep depend
 	set SRCTOP=$(SRCDIR)
 	set BLDTOP=$(BLDDIR)
 	set PERL=$(PERL)
+	set OPENSSL_DEBUG_MEMORY=on
 	"$(PERL)" "$(SRCDIR)\test\run_tests.pl" $(TESTS)
 	@rem {- if ($disabled{tests}) { output_on(); } else { output_off(); } "" -}
 	@echo "Tests are not supported with your chosen Configure options"