diff --git a/linux-riscv32/Dockerfile.in b/linux-riscv32/Dockerfile.in
index 9f2deae..392f3fc 100644
--- a/linux-riscv32/Dockerfile.in
+++ b/linux-riscv32/Dockerfile.in
@@ -44,6 +44,6 @@ ENV PKG_CONFIG_PATH /usr/lib/riscv64-unknown-linux-gnu/pkgconfig
 # Linux kernel cross compilation variables
 ENV PATH ${PATH}:${CROSS_ROOT}/bin
 ENV CROSS_COMPILE ${CROSS_TRIPLE}-
-ENV ARCH powerpc
+ENV ARCH riscv32
 
 #include "common.label-and-env"
diff --git a/linux-riscv64/Dockerfile.in b/linux-riscv64/Dockerfile.in
index c084733..05a3a32 100644
--- a/linux-riscv64/Dockerfile.in
+++ b/linux-riscv64/Dockerfile.in
@@ -44,6 +44,6 @@ ENV PKG_CONFIG_PATH /usr/lib/riscv64-unknown-linux-gnu/pkgconfig
 # Linux kernel cross compilation variables
 ENV PATH ${PATH}:${CROSS_ROOT}/bin
 ENV CROSS_COMPILE ${CROSS_TRIPLE}-
-ENV ARCH powerpc
+ENV ARCH riscv64
 
 #include "common.label-and-env"