1 files changed, 10 insertions, 2 deletions

diff --git a/firmware/common/diacritic.c b/firmware/common/diacritic.c
index 563028cab8..92c2400203 100644
--- a/firmware/common/diacritic.c
+++ b/firmware/common/diacritic.c
@@ -194,7 +194,7 @@ static const struct diac_range diac_ranges[] =
 };
 
 #define MRU_MAX_LEN 32
-
+#ifndef BOOTLOADER
 bool is_diacritic(const unsigned short char_code, bool *is_rtl)
 {
     static uint8_t mru_len = 0;
@@ -248,4 +248,12 @@ Found:
 
     return (char_code < diac->base + (info & DIAC_CNT));
 }
-
+#else /*BOOTLOADER*/
+inline bool is_diacritic(const unsigned short char_code, bool *is_rtl)
+{
+    (void)char_code;
+    if (is_rtl)
+        *is_rtl = false;
+    return false;
+}
+#endif /* ndef BOOTLOADER*/