diff --git a/dll/win32/iphlpapi/iphlpapi_main.c b/dll/win32/iphlpapi/iphlpapi_main.c
index a9184b2739d..7e0b0c9cc86 100644
--- a/dll/win32/iphlpapi/iphlpapi_main.c
+++ b/dll/win32/iphlpapi/iphlpapi_main.c
@@ -3186,7 +3186,10 @@ DWORD WINAPI DECLSPEC_HOTPATCH GetAdaptersAddresses(ULONG Family,ULONG Flags,PVO
 
     ret = openTcpFile(&tcpFile, FILE_READ_DATA);
     if (!NT_SUCCESS(ret))
+    {
+        free(indexTable);
         return ERROR_NO_DATA;
+    }
 
     for (i = indexTable->numIndexes; i >= 0; i--)
     {
diff --git a/dll/win32/iphlpapi/ipstats.h b/dll/win32/iphlpapi/ipstats.h
index 66d78c946f2..aa9283eb5dd 100644
--- a/dll/win32/iphlpapi/ipstats.h
+++ b/dll/win32/iphlpapi/ipstats.h
@@ -83,7 +83,7 @@ typedef enum _CLASS_TABLE {
 } CLASS_TABLE;
 
 /* Allocates and returns to you the route table, or NULL if it can't allocate
- * enough memory.  free() the returned table.
+ * enough memory.  HeapFree() the returned table.
  */
 RouteTable *getRouteTable(void);
 
@@ -91,7 +91,7 @@ RouteTable *getRouteTable(void);
 DWORD getNumArpEntries(void);
 
 /* Allocates and returns to you the arp table, or NULL if it can't allocate
- * enough memory.  free() the returned table.
+ * enough memory.  HeapFree() the returned table.
  */
 PMIB_IPNETTABLE getArpTable(void);
 
@@ -99,7 +99,7 @@ PMIB_IPNETTABLE getArpTable(void);
 DWORD getNumUdpEntries(void);
 
 /* Allocates and returns to you the UDP state table, or NULL if it can't
- * allocate enough memory.  free() the returned table.
+ * allocate enough memory.  HeapFree() the returned table.
  */
 PVOID getUdpTable(CLASS_TABLE Class);
 
@@ -107,7 +107,7 @@ PVOID getUdpTable(CLASS_TABLE Class);
 DWORD getNumTcpEntries(void);
 
 /* Allocates and returns to you the TCP state table, or NULL if it can't
- * allocate enough memory.  free() the returned table.
+ * allocate enough memory.  HeapFree() the returned table.
  */
 PVOID getTcpTable(CLASS_TABLE Class);