--- tests/Makefile.am.orig	2019-05-24 23:23:07.902790000 -0400
+++ mono/tests/Makefile.am	2019-05-24 23:23:35.295117000 -0400
@@ -34,13 +34,13 @@
 BUILT_SOURCES += $(ARRAY_COOP_CS)
 
 array-coop-bigvt.cs: array-coop-bigvt.sh array-coop-1.cs array-coop-2.cs
-	 . $(srcdir)/array-coop-bigvt.sh $(srcdir) > $@
+	$(srcdir)/array-coop-bigvt.sh $(srcdir) > $@
 
 array-coop-smallvt.cs: array-coop-smallvt.sh array-coop-1.cs array-coop-2.cs
-	 . $(srcdir)/array-coop-smallvt.sh $(srcdir) > $@
+	$(srcdir)/array-coop-smallvt.sh $(srcdir) > $@
 
 array-coop-int.cs: array-coop-int.sh array-coop-1.cs array-coop-2.cs
-	 . $(srcdir)/array-coop-int.sh $(srcdir) > $@
+	$(srcdir)/array-coop-int.sh $(srcdir) > $@
 
 # These are not actually tests, but they are source files part of another test.
 TAILCALL_DISABLED_TESTS_COMPILE = \
