diff --git a/bin/regression-wally b/bin/regression-wally
index 185f03826..e52a89edb 100755
--- a/bin/regression-wally
+++ b/bin/regression-wally
@@ -39,7 +39,7 @@ tests = [
 
 # Separate test for short buildroot run through OpenSBI UART output
 tests_buildrootshort = [
-                    ["buildroot", ["buildroot"], [f"+INSTR_LIMIT=1400000"], # Instruction limit gets to first OpenSBI UART output  
+                    ["buildroot", ["buildroot"], [f"+INSTR_LIMIT=1600000"], # Instruction limit gets to first OpenSBI UART output  
                         "OpenSBI v", "buildroot_uart.out"]
     ]