diff --git a/linux-powerpc32/Dockerfile.in b/linux-powerpc32/Dockerfile.in
index f554422..d355ae3 100644
--- a/linux-powerpc32/Dockerfile.in
+++ b/linux-powerpc32/Dockerfile.in
@@ -29,11 +29,11 @@ ENV QEMU_SET_ENV "LD_LIBRARY_PATH=${CROSS_ROOT}/lib:${QEMU_LD_PREFIX}"
 COPY Toolchain.cmake ${CROSS_ROOT}/
 ENV CMAKE_TOOLCHAIN_FILE ${CROSS_ROOT}/Toolchain.cmake
 
-ENV PKG_CONFIG_PATH /usr/lib/powerpc64-linux-gnu/pkgconfig
+ENV PKG_CONFIG_PATH /usr/lib/powerpc-linux-gnu/pkgconfig
 
 # Linux kernel cross compilation variables
 ENV PATH ${PATH}:${CROSS_ROOT}/bin
 ENV CROSS_COMPILE ${CROSS_TRIPLE}-
-ENV ARCH arm64
+ENV ARCH powerpc
 
 #include "common.label-and-env"
diff --git a/linux-powerpc64/Dockerfile.in b/linux-powerpc64/Dockerfile.in
index aacac21..af47bf4 100644
--- a/linux-powerpc64/Dockerfile.in
+++ b/linux-powerpc64/Dockerfile.in
@@ -34,6 +34,6 @@ ENV PKG_CONFIG_PATH /usr/lib/powerpc64-linux-gnu/pkgconfig
 # Linux kernel cross compilation variables
 ENV PATH ${PATH}:${CROSS_ROOT}/bin
 ENV CROSS_COMPILE ${CROSS_TRIPLE}-
-ENV ARCH arm64
+ENV ARCH powerpc64
 
 #include "common.label-and-env"