1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/target/arm/tcc780x/crt0.S b/firmware/target/arm/tcc780x/crt0.S
index f02a204d7e..b1608915f1 100644
--- a/firmware/target/arm/tcc780x/crt0.S
+++ b/firmware/target/arm/tcc780x/crt0.S
@@ -285,7 +285,7 @@ vectors_end:
   in UIE.
 */
 undef_instr_handler:
-    mov    r0, lr
+    sub    r0, lr, #4
    mov    r1, #0
    b      UIE

diff --git a/firmware/target/arm/tcc780x/crt0.S b/firmware/target/arm/tcc780x/crt0.S index f02a204d7e..b1608915f1 100644 --- a/firmware/target/arm/tcc780x/crt0.S +++ b/firmware/target/arm/tcc780x/crt0.S
@@ -285,7 +285,7 @@ vectors_end:
285	in UIE.	285	in UIE.
286	*/	286	*/
287	undef_instr_handler:	287	undef_instr_handler:
288	mov r0, lr	288	sub r0, lr, #4
289	mov r1, #0	289	mov r1, #0
290	b UIE	290	b UIE
291		291