diff --git a/indra/llcommon/lltrace.h b/indra/llcommon/lltrace.h
index e2c4b63276442bca0eda3eea4266bd40729d9d37..2c45923aac7edf824125320a3e7a653ff76f03eb 100644
--- a/indra/llcommon/lltrace.h
+++ b/indra/llcommon/lltrace.h
@@ -401,7 +401,7 @@ class MemTrackable
 	template<typename AMOUNT_T>
 	AMOUNT_T& memClaimAmount(AMOUNT_T& size)
 	{
-		MemStatAccumulator* accumulator = sMemStat.getPrimaryAccumulator();
+		MemStatAccumulator* accumulator = DERIVED::sMemStat.getPrimaryAccumulator();
 		mMemFootprint += (size_t)size;
 		if (accumulator)
 		{
@@ -428,7 +428,7 @@ class MemTrackable
 	template<typename AMOUNT_T>
 	AMOUNT_T& memDisclaimAmount(AMOUNT_T& size)
 	{
-		MemStatAccumulator* accumulator = sMemStat.getPrimaryAccumulator();
+		MemStatAccumulator* accumulator = DERIVED::sMemStat.getPrimaryAccumulator();
 		if (accumulator)
 		{
 			accumulator->mSize.sample(accumulator->mSize.getLastValue() - (F64)size);