1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/target/arm/tcc77x/crt0.S b/firmware/target/arm/tcc77x/crt0.S
index 2c5af3f21b..16b80920f4 100644
--- a/firmware/target/arm/tcc77x/crt0.S
+++ b/firmware/target/arm/tcc77x/crt0.S
@@ -218,7 +218,7 @@ 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/tcc77x/crt0.S b/firmware/target/arm/tcc77x/crt0.S index 2c5af3f21b..16b80920f4 100644 --- a/firmware/target/arm/tcc77x/crt0.S +++ b/firmware/target/arm/tcc77x/crt0.S
@@ -218,7 +218,7 @@ vectors_end:
218	in UIE.	218	in UIE.
219	*/	219	*/
220	undef_instr_handler:	220	undef_instr_handler:
221	mov r0, lr	221	sub r0, lr, #4
222	mov r1, #0	222	mov r1, #0
223	b UIE	223	b UIE
224		224