--- a/Make.spec	Sun Jun 09 15:53:05 2019 +0200
+++ b/Make.spec	Sun Jun 09 15:53:21 2019 +0200
@@ -119,6 +119,7 @@
 	RegressionTests::MetaphoneStringComparatorTest \
 	RegressionTests::MiracodeStringComparatorTest \
 	RegressionTests::MiscArithmeticTests \
+	RegressionTests::MutabilityTest \
 	RegressionTests::MySQLSoundexStringComparatorTest \
 	RegressionTests::NumberTest \
 	RegressionTests::OS_OLE_Tests \
@@ -249,6 +250,7 @@
     $(OUTDIR)RegressionTests__MetaphoneStringComparatorTest.$(O) \
     $(OUTDIR)RegressionTests__MiracodeStringComparatorTest.$(O) \
     $(OUTDIR)RegressionTests__MiscArithmeticTests.$(O) \
+    $(OUTDIR)RegressionTests__MutabilityTest.$(O) \
     $(OUTDIR)RegressionTests__MySQLSoundexStringComparatorTest.$(O) \
     $(OUTDIR)RegressionTests__NumberTest.$(O) \
     $(OUTDIR)RegressionTests__OS_OLE_Tests.$(O) \