diff --git a/radio/src/tests/big_numbers_128x64.png b/radio/src/tests/big_numbers_128x64.png
new file mode 100644
index 000000000..d10e2519c
Binary files /dev/null and b/radio/src/tests/big_numbers_128x64.png differ
diff --git a/radio/src/tests/big_numbers_212x64.png b/radio/src/tests/big_numbers_212x64.png
new file mode 100644
index 000000000..0fcbc7253
Binary files /dev/null and b/radio/src/tests/big_numbers_212x64.png differ
diff --git a/radio/src/tests/gtests.cpp b/radio/src/tests/gtests.cpp
index 07edfe391..9f3757c17 100644
--- a/radio/src/tests/gtests.cpp
+++ b/radio/src/tests/gtests.cpp
@@ -143,6 +143,16 @@ TEST(outdezNAtt, test_unsigned)
   EXPECT_TRUE(checkScreenshot("unsigned")) << "Unsigned numbers will be bad displayed";
 }
 
+#if defined(CPUARM)
+TEST(outdezNAtt, testBigNumbers)
+{
+  lcd_clear();
+  lcd_outdezNAtt(0, 0, 1234567, LEFT);
+  lcd_outdezNAtt(0, FH, -1234567, LEFT);
+  EXPECT_TRUE(checkScreenshot("big_numbers"));
+}
+#endif // #if defined(CPUARM)
+
 #if !defined(PCBSKY9X)
 TEST(EEPROM, 100_random_writes)
 {