diff --git a/reactos/drivers/network/ndis/include/ndissys.h b/reactos/drivers/network/ndis/include/ndissys.h
index 99e8623aaee..8388a683b7c 100644
--- a/reactos/drivers/network/ndis/include/ndissys.h
+++ b/reactos/drivers/network/ndis/include/ndissys.h
@@ -507,6 +507,14 @@ typedef struct _NDIS40_MINIPORT_CHARACTERISTICS {
    KeReleaseSpinLock(_Lock, OldIrql); \
  }
 
+/* missing protypes */
+VOID
+NTAPI
+ExGetCurrentProcessorCounts(
+  PULONG ThreadKernelTime,
+   PULONG TotalCpuTime,
+   PULONG ProcessorNumber);
+
 #endif /* __NDISSYS_H */
 
 /* EOF */
diff --git a/reactos/drivers/network/ndis/ndis/stubs.c b/reactos/drivers/network/ndis/ndis/stubs.c
index 52f8d30c590..bc0212cf293 100644
--- a/reactos/drivers/network/ndis/ndis/stubs.c
+++ b/reactos/drivers/network/ndis/ndis/stubs.c
@@ -462,7 +462,7 @@ NdisConvertStringToAtmAddress(
 
 
 /*
- * @unimplemented
+ * @implemented
  */
 VOID
 EXPORT
@@ -477,7 +477,7 @@ NdisGetCurrentProcessorCounts(
  *    NDIS 5.0
  */
 {
-    UNIMPLEMENTED
+    ExGetCurrentProcessorCounts( (PULONG) pIdleCount, (PULONG) pKernelAndUser, (PULONG) pIndex); 
 }