diff --git a/libs/vr/libbufferhub/buffer_hub-test.cpp b/libs/vr/libbufferhub/buffer_hub-test.cpp
index 3e26dae..99bc5c9 100644
--- a/libs/vr/libbufferhub/buffer_hub-test.cpp
+++ b/libs/vr/libbufferhub/buffer_hub-test.cpp
@@ -41,7 +41,10 @@
 const int kFormat = HAL_PIXEL_FORMAT_RGBA_8888;
 const int kUsage = 0;
 const size_t kUserMetadataSize = 0;
-const size_t kMaxConsumerCount = 63;
+// Maximum number of consumers for the buffer that only has one producer in the
+// test.
+const size_t kMaxConsumerCount =
+    android::dvr::BufferHubDefs::kMaxNumberOfClients - 1;
 const int kPollTimeoutMs = 100;
 
 using LibBufferHubTest = ::testing::Test;
diff --git a/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h b/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h
index 4953f9b..1f1d538 100644
--- a/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h
+++ b/libs/vr/libbufferhub/include/private/dvr/buffer_hub_defs.h
@@ -31,6 +31,7 @@
 // Post'ed state:     [1|..|0|0]
 // Acquired'ed state: [1|..|X|X] -> At least one bit is set in lower 63 bits
 // Released'ed state: [0|..|X|X] -> At least one bit is set in lower 63 bits
+static constexpr int kMaxNumberOfClients = 64;
 static constexpr uint64_t kProducerStateBit = 1ULL << 63;
 static constexpr uint64_t kConsumerStateMask = (1ULL << 63) - 1;