diff --git a/Lib/ufo2ft/_compilers/interpolatableTTFCompiler.py b/Lib/ufo2ft/_compilers/interpolatableTTFCompiler.py
index f797b8485..496f69fc2 100644
--- a/Lib/ufo2ft/_compilers/interpolatableTTFCompiler.py
+++ b/Lib/ufo2ft/_compilers/interpolatableTTFCompiler.py
@@ -22,7 +22,7 @@ class InterpolatableTTFCompiler(BaseInterpolatableCompiler):
layerNames: Optional[str] = None
colrLayerReuse: bool = False
colrAutoClipBoxes: bool = False
- autoUseMyMetrics: bool = True
+ autoUseMyMetrics: bool = False
allQuadratic: bool = True
skipFeatureCompilation: bool = False
diff --git a/Lib/ufo2ft/_compilers/variableTTFsCompiler.py b/Lib/ufo2ft/_compilers/variableTTFsCompiler.py
index e9e75b7cb..f296fe5e3 100644
--- a/Lib/ufo2ft/_compilers/variableTTFsCompiler.py
+++ b/Lib/ufo2ft/_compilers/variableTTFsCompiler.py
@@ -18,7 +18,7 @@ class VariableTTFsCompiler(InterpolatableTTFCompiler):
excludeVariationTables: tuple = ()
optimizeGvar: bool = True
colrAutoClipBoxes: bool = False
- autoUseMyMetrics: bool = True
+ autoUseMyMetrics: bool = False
dropImpliedOnCurves: bool = False
allQuadratic: bool = True
variableFeatures: bool = True
diff --git a/tests/data/TestFont-interpolatable.ttx b/tests/data/TestFont-interpolatable.ttx
new file mode 100644
index 000000000..cfd71f372
--- /dev/null
+++ b/tests/data/TestFont-interpolatable.ttx
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+ OpenType name Table Unique ID
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+ Some Font (Preferred Family Name) Regular (Preferred Subfamily Name)
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+ OpenType name Table Version
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+ SomeFont-Regular Postscript Font Name
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+ Some Designer
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+ http://somefoundry.com
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+ http://somedesigner.com
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+ License info for Some Foundry.
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+ Some Font (Preferred Family Name)
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diff --git a/tests/data/TestVariableFont-TTF-not-allQuadratic.ttx b/tests/data/TestVariableFont-TTF-not-allQuadratic.ttx
index de78095af..ceb210387 100644
--- a/tests/data/TestVariableFont-TTF-not-allQuadratic.ttx
+++ b/tests/data/TestVariableFont-TTF-not-allQuadratic.ttx
@@ -91,7 +91,7 @@
-
+
diff --git a/tests/data/TestVariableFont-TTF-post3.ttx b/tests/data/TestVariableFont-TTF-post3.ttx
index c730d6369..60b55f0a8 100644
--- a/tests/data/TestVariableFont-TTF-post3.ttx
+++ b/tests/data/TestVariableFont-TTF-post3.ttx
@@ -222,7 +222,7 @@
-
+
diff --git a/tests/data/TestVariableFont-TTF-useProductionNames.ttx b/tests/data/TestVariableFont-TTF-useProductionNames.ttx
index 4f365f3f6..81303b292 100644
--- a/tests/data/TestVariableFont-TTF-useProductionNames.ttx
+++ b/tests/data/TestVariableFont-TTF-useProductionNames.ttx
@@ -240,7 +240,7 @@
-
+
diff --git a/tests/data/TestVariableFont-TTF.ttx b/tests/data/TestVariableFont-TTF.ttx
index b36a9c5ff..ecfed3533 100644
--- a/tests/data/TestVariableFont-TTF.ttx
+++ b/tests/data/TestVariableFont-TTF.ttx
@@ -232,7 +232,7 @@
-
+
diff --git a/tests/integration_test.py b/tests/integration_test.py
index efb507c9a..3a9828e8c 100644
--- a/tests/integration_test.py
+++ b/tests/integration_test.py
@@ -177,8 +177,8 @@ def test_interpolatableTTFs_lazy(self, FontClass):
# two same UFOs **must** be interpolatable
ufos = [FontClass(getpath("TestFont.ufo")) for _ in range(2)]
ttfs = list(compileInterpolatableTTFs(ufos))
- expectTTX(ttfs[0], "TestFont.ttx")
- expectTTX(ttfs[1], "TestFont.ttx")
+ expectTTX(ttfs[0], "TestFont-interpolatable.ttx")
+ expectTTX(ttfs[1], "TestFont-interpolatable.ttx")
@pytest.mark.parametrize(
"cff_version, expected_ttx",