diff --git a/cpu/fe310/Kconfig b/cpu/fe310/Kconfig
index bcb1a48349..a38d65a0a1 100644
--- a/cpu/fe310/Kconfig
+++ b/cpu/fe310/Kconfig
@@ -7,7 +7,7 @@
 
 config CPU_FAM_FE310
     bool
-    select CPU_CORE_RV32I
+    select CPU_CORE_RV32IMAC
     select HAS_CPU_FE310
     select HAS_PERIPH_CPUID
     select HAS_PERIPH_GPIO
@@ -42,6 +42,9 @@ config CPU_MODEL
 config CPU
     default "fe310" if CPU_FAM_FE310
 
+config CPU_CORE
+    default "rv32imac" if CPU_CORE_RV32IMAC
+
 rsource "Kconfig.clk"
 
 source "$(RIOTCPU)/riscv_common/Kconfig"
diff --git a/cpu/fe310/Makefile.features b/cpu/fe310/Makefile.features
index 56d9979106..9850ba39b4 100644
--- a/cpu/fe310/Makefile.features
+++ b/cpu/fe310/Makefile.features
@@ -1,3 +1,5 @@
+CPU_CORE := rv32imac
+
 FEATURES_PROVIDED += periph_cpuid
 FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pm