diff --git a/applications/main/nfc/plugins/supported_cards/trt.c b/applications/main/nfc/plugins/supported_cards/trt.c
index 5407ab1f73..793ad7f2d9 100644
--- a/applications/main/nfc/plugins/supported_cards/trt.c
+++ b/applications/main/nfc/plugins/supported_cards/trt.c
@@ -40,7 +40,10 @@ static bool trt_parse(const NfcDevice* device, FuriString* parsed_data) {
         const uint8_t* full_record_pointer = &data->page[FULL_SALE_TIME_STAMP_PAGE].data[0];
         uint32_t latest_sale_record = bit_lib_get_bits_32(partial_record_pointer, 3, 20);
         uint32_t latest_sale_full_record = bit_lib_get_bits_32(full_record_pointer, 0, 27);
-        if(latest_sale_record != (latest_sale_full_record & 0xFFFFF)) break;
+        if(latest_sale_record != (latest_sale_full_record & 0xFFFFF))
+            break; // check if the copy matches
+        if((latest_sale_record == 0) || (latest_sale_full_record == 0))
+            break; // prevent false positive
 
         // Parse date
         // yyy yyyymmmm dddddhhh hhnnnnnn
diff --git a/documentation/doxygen/index.dox b/documentation/doxygen/index.dox
index 7bd9024a11..9587afd8b4 100644
--- a/documentation/doxygen/index.dox
+++ b/documentation/doxygen/index.dox
@@ -1,7 +1,8 @@
 /**
-@mainpage Overview
+@mainpage notitle
+## Welcome to Flipper Developer Documentation!
 
-Welcome to the Flipper Developer Documentation!
+---
 
 This documentation is intended for developers interested in modifying the Flipper Zero firmware, creating Apps and JavaScript programs, or working on external hardware modules for the device.
 
diff --git a/lib/digital_signal/digital_sequence.c b/lib/digital_signal/digital_sequence.c
index f93ce6d951..14cb3aab2f 100644
--- a/lib/digital_signal/digital_sequence.c
+++ b/lib/digital_signal/digital_sequence.c
@@ -15,6 +15,9 @@
  * Example:
  * ./fbt --extra-define=DIGITAL_SIGNAL_DEBUG_OUTPUT_PIN=gpio_ext_pb3
  */
+#ifdef DIGITAL_SIGNAL_DEBUG_OUTPUT_PIN
+#include <furi_hal.h>
+#endif
 
 #define TAG "DigitalSequence"