diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
index 2ac30fa4c6..eeb65bd4d7 100644
--- a/src/hyperv/hyperv_driver.c
+++ b/src/hyperv/hyperv_driver.c
@@ -1677,7 +1677,7 @@ hypervDomainSendKey(virDomainPtr domain, unsigned int codeset,
             goto cleanup;
         }
 
-        if (hypervInvokeMethod(priv, params, NULL) < 0) {
+        if (hypervInvokeMethod(priv, &params, NULL) < 0) {
             virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not press key %d"),
                            translatedKeycodes[i]);
             goto cleanup;
@@ -1704,7 +1704,7 @@ hypervDomainSendKey(virDomainPtr domain, unsigned int codeset,
             goto cleanup;
         }
 
-        if (hypervInvokeMethod(priv, params, NULL) < 0) {
+        if (hypervInvokeMethod(priv, &params, NULL) < 0) {
             virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not release key %s"),
                     keycodeStr);
             goto cleanup;
@@ -1807,7 +1807,7 @@ hypervDomainSetMemoryFlags(virDomainPtr domain, unsigned long memory,
         }
     }
 
-    if (hypervInvokeMethod(priv, params, NULL) < 0) {
+    if (hypervInvokeMethod(priv, &params, NULL) < 0) {
         virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Could not set memory"));
         goto cleanup;
     }
diff --git a/src/hyperv/hyperv_wmi.c b/src/hyperv/hyperv_wmi.c
index 2b40e72053..78d15e2a43 100644
--- a/src/hyperv/hyperv_wmi.c
+++ b/src/hyperv/hyperv_wmi.c
@@ -753,17 +753,24 @@ hypervSerializeEmbeddedParam(hypervParamPtr p, const char *resourceUri,
 /*
  * hypervInvokeMethod:
  * @priv: hypervPrivate object associated with the connection
- * @params: object containing the all necessary information for method
- * invocation
+ * @paramsPtr: pointer to object containing the all necessary information for
+ *             method invocation (consumed on invocation)
  * @res: Optional out parameter to contain the response XML.
  *
- * Performs an invocation described by @params, and optionally returns the
- * XML containing the result. Returns -1 on failure, 0 on success.
+ * Performs an invocation described by object at @paramsPtr, and optionally
+ * returns the XML containing the result.
+ *
+ * Please note that, object at @paramsPtr is consumed by this function and the
+ * pointer is cleared out, regardless of returning success or failure.
+ *
+ * Returns -1 on failure, 0 on success.
  */
 int
-hypervInvokeMethod(hypervPrivate *priv, hypervInvokeParamsListPtr params,
-        WsXmlDocH *res)
+hypervInvokeMethod(hypervPrivate *priv,
+                   hypervInvokeParamsListPtr *paramsPtr,
+                   WsXmlDocH *res)
 {
+    hypervInvokeParamsListPtr params = *paramsPtr;
     int result = -1;
     size_t i = 0;
     int returnCode;
@@ -939,6 +946,7 @@ hypervInvokeMethod(hypervPrivate *priv, hypervInvokeParamsListPtr params,
     VIR_FREE(instanceID);
     hypervFreeObject(priv, (hypervObject *)job);
     hypervFreeInvokeParams(params);
+    *paramsPtr = NULL;
     return result;
 }
 
diff --git a/src/hyperv/hyperv_wmi.h b/src/hyperv/hyperv_wmi.h
index ee16657768..20749f2a39 100644
--- a/src/hyperv/hyperv_wmi.h
+++ b/src/hyperv/hyperv_wmi.h
@@ -154,8 +154,9 @@ int hypervAddEmbeddedParam(hypervInvokeParamsListPtr params, hypervPrivate *priv
 
 void hypervFreeEmbeddedParam(virHashTablePtr p);
 
-int hypervInvokeMethod(hypervPrivate *priv, hypervInvokeParamsListPtr params,
-        WsXmlDocH *res);
+int hypervInvokeMethod(hypervPrivate *priv,
+                       hypervInvokeParamsListPtr *paramsPtr,
+                       WsXmlDocH *res);
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * CIM/Msvm_ReturnCode