diff --git a/Ghidra/Processors/x86/data/extensions/rust/unix/cc.xml b/Ghidra/Processors/x86/data/extensions/rust/unix/cc.xml
index 9c7ff08500..043327e275 100644
--- a/Ghidra/Processors/x86/data/extensions/rust/unix/cc.xml
+++ b/Ghidra/Processors/x86/data/extensions/rust/unix/cc.xml
@@ -46,7 +46,7 @@
 	    <addr offset="8" space="stack"/>
 	</pentry>
 	<rule>
-        <datatype name="any" minsize="9"/>
+        <datatype name="any" minsize="9" maxsize="16" />
         <join align="true"/>          <!-- Chunk from general purpose registers -->
     </rule>
     </input>