diff --git a/Lib/fontTools/ttLib/tables/otTables.py b/Lib/fontTools/ttLib/tables/otTables.py
index 1a5fb39c7..d385a7510 100644
--- a/Lib/fontTools/ttLib/tables/otTables.py
+++ b/Lib/fontTools/ttLib/tables/otTables.py
@@ -49,27 +49,28 @@ log = logging.getLogger(__name__)
 
 
 class VarComponentFlags(IntFlag):
-    USE_MY_METRICS = 0x0001
-    RESET_UNSPECIFIED_AXES = 0x0002
+    RESET_UNSPECIFIED_AXES = 0x0001
 
-    GID_IS_24BIT = 0x0004
+    HAVE_AXES = 0x0002
 
-    HAVE_AXES = 0x0008
+    AXIS_VALUES_HAVE_VARIATION = 0x0004
+    TRANSFORM_HAS_VARIATION = 0x0008
 
-    AXIS_VALUES_HAVE_VARIATION = 0x0010
-    TRANSFORM_HAS_VARIATION = 0x0020
+    HAVE_TRANSLATE_X = 0x0010
+    HAVE_TRANSLATE_Y = 0x0020
+    HAVE_ROTATION = 0x0040
 
-    HAVE_TRANSLATE_X = 0x0040
-    HAVE_TRANSLATE_Y = 0x0080
-    HAVE_ROTATION = 0x0100
-    HAVE_SCALE_X = 0x0200
-    HAVE_SCALE_Y = 0x0400
-    HAVE_SKEW_X = 0x0800
-    HAVE_SKEW_Y = 0x1000
-    HAVE_TCENTER_X = 0x2000
-    HAVE_TCENTER_Y = 0x4000
+    USE_MY_METRICS = 0x0080
 
-    RESERVED = 0x8000
+    HAVE_SCALE_X = 0x0100
+    HAVE_SCALE_Y = 0x0200
+    HAVE_TCENTER_X = 0x0400
+    HAVE_TCENTER_Y = 0x0800
+
+    GID_IS_24BIT = 0x4000
+
+    HAVE_SKEW_X = 0x1000
+    HAVE_SKEW_Y = 0x2000
 
 
 VarTransformMappingValues = namedtuple(
@@ -160,8 +161,8 @@ class VarComponent:
 
     def decompile(self, data, font, localState):
         i = 0
-        self.flags = flags = _unpacker[2](data[i : i + 2])
-        i += 2
+        self.flags, i = _readVarInt32(data, i)
+        flags = self.flags
 
         gidSize = 3 if flags & VarComponentFlags.GID_IS_24BIT else 2
         glyphID = _unpacker[gidSize](data[i : i + gidSize])
@@ -262,7 +263,7 @@ class VarComponent:
             value = getattr(self.transform, attr_name)
             data.append(write_transform_component(value, mapping_values))
 
-        return struct.pack(">H", flags) + bytesjoin(data)
+        return _writeVarInt32(flags) + bytesjoin(data)
 
     def toXML(self, writer, ttFont, attrs):
         attrs.append(("glyphName", self.glyphName))
diff --git a/Tests/ttLib/data/varc-6868.ttf b/Tests/ttLib/data/varc-6868.ttf
index 400619188..47f85e9b7 100644
Binary files a/Tests/ttLib/data/varc-6868.ttf and b/Tests/ttLib/data/varc-6868.ttf differ
diff --git a/Tests/ttLib/data/varc-ac00-ac01-500upem.ttx b/Tests/ttLib/data/varc-ac00-ac01-500upem.ttx
index a4d572ed4..1c1d49ee2 100644
--- a/Tests/ttLib/data/varc-ac00-ac01-500upem.ttx
+++ b/Tests/ttLib/data/varc-ac00-ac01-500upem.ttx
@@ -313,19 +313,19 @@
         <VarComponent index="2" glyphName="glyph00006" flags="0"/>
       </VarCompositeGlyph>
       <VarCompositeGlyph index="2">
-        <VarComponent index="0" glyphName="glyph00008" flags="72" axisIndicesIndex="2" axisValues="(3537,)" translateX="-6.0"/>
+        <VarComponent index="0" glyphName="glyph00008" flags="18" axisIndicesIndex="2" axisValues="(3537,)" translateX="-6.0"/>
       </VarCompositeGlyph>
       <VarCompositeGlyph index="3">
-        <VarComponent index="0" glyphName="glyph00008" flags="88" axisIndicesIndex="0" axisValues="(-13184, 0, 7928)" axisValuesVarIndex="0" translateX="-3.0"/>
+        <VarComponent index="0" glyphName="glyph00008" flags="22" axisIndicesIndex="0" axisValues="(-13184, 0, 7928)" axisValuesVarIndex="0" translateX="-3.0"/>
       </VarCompositeGlyph>
       <VarCompositeGlyph index="4">
-        <VarComponent index="0" glyphName="glyph00009" flags="248" axisIndicesIndex="1" axisValues="(-8847, 655, -8484, 0, 0)" axisValuesVarIndex="1" transformVarIndex="2" translateX="-5.0" translateY="24.0"/>
+        <VarComponent index="0" glyphName="glyph00009" flags="62" axisIndicesIndex="1" axisValues="(-8847, 655, -8484, 0, 0)" axisValuesVarIndex="1" transformVarIndex="2" translateX="-5.0" translateY="24.0"/>
       </VarCompositeGlyph>
       <VarCompositeGlyph index="5">
-        <VarComponent index="0" glyphName="glyph00010" flags="248" axisIndicesIndex="0" axisValues="(-12714, -5843, 0)" axisValuesVarIndex="3" transformVarIndex="4" translateX="53.0" translateY="-231.0"/>
+        <VarComponent index="0" glyphName="glyph00010" flags="62" axisIndicesIndex="0" axisValues="(-12714, -5843, 0)" axisValuesVarIndex="3" transformVarIndex="4" translateX="53.0" translateY="-231.0"/>
       </VarCompositeGlyph>
       <VarCompositeGlyph index="6">
-        <VarComponent index="0" glyphName="glyph00009" flags="248" axisIndicesIndex="0" axisValues="(-4227, 819, -8484)" axisValuesVarIndex="5" transformVarIndex="6" translateX="-5.0" translateY="12.0"/>
+        <VarComponent index="0" glyphName="glyph00009" flags="62" axisIndicesIndex="0" axisValues="(-4227, 819, -8484)" axisValuesVarIndex="5" transformVarIndex="6" translateX="-5.0" translateY="12.0"/>
       </VarCompositeGlyph>
     </VarCompositeGlyphs>
   </VARC>
diff --git a/Tests/ttLib/data/varc-ac00-ac01.ttf b/Tests/ttLib/data/varc-ac00-ac01.ttf
index 2cccc232f..4b81eb6a8 100644
Binary files a/Tests/ttLib/data/varc-ac00-ac01.ttf and b/Tests/ttLib/data/varc-ac00-ac01.ttf differ