diff --git a/src/mesh/mesh-pb-constants.h b/src/mesh/mesh-pb-constants.h
index f91c485605..9fad30ee41 100644
--- a/src/mesh/mesh-pb-constants.h
+++ b/src/mesh/mesh-pb-constants.h
@@ -23,6 +23,10 @@
 #define MAX_NUM_NODES 100
 #endif
 
+#ifdef ARCH_NRF52
+#define MAX_NUM_NODES 80
+#endif
+
 /// Max number of channels allowed
 #define MAX_NUM_CHANNELS (member_size(meshtastic_ChannelFile, channels) / member_size(meshtastic_ChannelFile, channels[0]))