diff --git a/docker-build-win64.sh b/docker-build-win64.sh
index c55f61fdd9f..4d59885d34c 100755
--- a/docker-build-win64.sh
+++ b/docker-build-win64.sh
@@ -33,7 +33,7 @@ pushd iconv
 iconv_ver="1.17"
 iconv_link="https://ftp.gnu.org/pub/gnu/libiconv/libiconv-${iconv_ver}.tar.gz"
 wget ${iconv_link} -O iconv.tar.gz
-tar xaf iconv.tar.gz
+tar --no-overwrite-dir -xaf iconv.tar.gz
 pushd libiconv-${iconv_ver}
 ./configure \
     --prefix=${FF_DEPS_PREFIX} \
diff --git a/docker-build.sh b/docker-build.sh
index b6b2706e8fd..4bfcba8a9ee 100755
--- a/docker-build.sh
+++ b/docker-build.sh
@@ -39,7 +39,7 @@ prepare_extra_common() {
     iconv_ver="1.17"
     iconv_link="https://ftp.gnu.org/pub/gnu/libiconv/libiconv-${iconv_ver}.tar.gz"
     wget ${iconv_link} -O iconv.tar.gz
-    tar xaf iconv.tar.gz
+    tar --no-overwrite-dir -xaf iconv.tar.gz
     pushd libiconv-${iconv_ver}
     ./configure \
         ${CROSS_OPT} \