diff --git a/libs/libc/src/printf.cpp b/libs/libc/src/printf.cpp
index efe3a60c..3be32613 100644
--- a/libs/libc/src/printf.cpp
+++ b/libs/libc/src/printf.cpp
@@ -185,6 +185,7 @@ static int internal_printf(const char* format, PutString put_string_callback, ss
                     preserve_format = true;
                     break;
                 }
+                case 'i':
                 case 'd': {
                     char result[32];
                     if (is_unsigned_long)