diff --git a/litex/soc/cores/cpu/femtorv/core.py b/litex/soc/cores/cpu/femtorv/core.py
index 79d7c1924..305b1f80f 100644
--- a/litex/soc/cores/cpu/femtorv/core.py
+++ b/litex/soc/cores/cpu/femtorv/core.py
@@ -33,7 +33,7 @@ GCC_FLAGS = {
     #                               ||||/--- Single-Precision Floating-Point
     #                               |||||/-- Double-Precision Floating-Point
     #                               imacfd
-    "standard":         "-march=rv32      -mabi=ilp32",
+    "standard":         "-march=rv32i     -mabi=ilp32",
     "quark":            "-march=rv32i     -mabi=ilp32",
     "tachyon":          "-march=rv32i     -mabi=ilp32",
     "electron":         "-march=rv32im    -mabi=ilp32",