diff --git a/config.xsd b/config.xsd
index cc3405d60..11e01d23c 100644
--- a/config.xsd
+++ b/config.xsd
@@ -259,6 +259,7 @@
             <xs:element name="MixedArrayOffset" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="MixedArrayTypeCoercion" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="MixedAssignment" type="IssueHandlerType" minOccurs="0" />
+            <xs:element name="MixedClone" type="ArgumentIssueHandlerType" minOccurs="0" />
             <xs:element name="MixedFunctionCall" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="MixedInferredReturnType" type="IssueHandlerType" minOccurs="0" />
             <xs:element name="MixedMethodCall" type="IssueHandlerType" minOccurs="0" />
diff --git a/docs/running_psalm/issues.md b/docs/running_psalm/issues.md
index c33158f08..ce72b4084 100644
--- a/docs/running_psalm/issues.md
+++ b/docs/running_psalm/issues.md
@@ -101,6 +101,7 @@
  - [MixedArrayOffset](issues/MixedArrayOffset.md)
  - [MixedArrayTypeCoercion](issues/MixedArrayTypeCoercion.md)
  - [MixedAssignment](issues/MixedAssignment.md)
+ - [MixedClone](issues/MixedClone.md)
  - [MixedFunctionCall](issues/MixedFunctionCall.md)
  - [MixedInferredReturnType](issues/MixedInferredReturnType.md)
  - [MixedMethodCall](issues/MixedMethodCall.md)
diff --git a/docs/running_psalm/issues/MixedClone.md b/docs/running_psalm/issues/MixedClone.md
new file mode 100644
index 000000000..23a56f856
--- /dev/null
+++ b/docs/running_psalm/issues/MixedClone.md
@@ -0,0 +1,9 @@
+# MixedClone
+
+Emitted when trying to clone a value whose type is not known
+
+```php
+<?php
+
+$a = clone $_GET["a"];
+```