diff --git a/app/src/json/json_parser.h b/app/src/json/json_parser.h
index e62677cd..2fd1e36e 100644
--- a/app/src/json/json_parser.h
+++ b/app/src/json/json_parser.h
@@ -36,7 +36,7 @@ extern "C" {
 // we must limit the number
 #if defined(TARGET_NANOS)
 #undef MAX_NUMBER_OF_TOKENS
-#define MAX_NUMBER_OF_TOKENS    70
+#define MAX_NUMBER_OF_TOKENS    96
 #endif
 
 #if defined(TARGET_STAX)
diff --git a/app/src/parser_txdef.h b/app/src/parser_txdef.h
index c3c75146..33e2754d 100644
--- a/app/src/parser_txdef.h
+++ b/app/src/parser_txdef.h
@@ -43,7 +43,11 @@ typedef struct screen_arg_t {
 typedef struct tx_textual_t{
     size_t n_containers;
     uint8_t n_expert;
+#if defined(TARGET_NANOS)
+    uint8_t tmpBuffer[200];
+#else
     uint8_t tmpBuffer[625];
+#endif
 } tx_textual_t;
 
 typedef struct {