diff --git a/run_sdk_container b/run_sdk_container
index 4579186512..41aff89c59 100755
--- a/run_sdk_container
+++ b/run_sdk_container
@@ -129,7 +129,8 @@ if [ -z "$stat" ] ; then
        -e SDK_GROUP_ID="$(id -g)" \
        --name="$name" \
        --hostname="$hostname" \
-       "${container_image_name}"
+       --entrypoint /bin/bash \
+       "${container_image_name}" -l
 fi
 
 if [ "$stat" != "Up" ] ; then
diff --git a/sdk_lib/sdk_entry.sh b/sdk_lib/sdk_entry.sh
index e8a4ad4c23..eca47d7fa8 100755
--- a/sdk_lib/sdk_entry.sh
+++ b/sdk_lib/sdk_entry.sh
@@ -1,10 +1,11 @@
 #!/bin/bash
 
 if [ -n "${SDK_USER_ID:-}" ] ; then
-    usermod -u $SDK_USER_ID sdk
+    # If the "core" user from /usr/share/baselayout/passwd has the same ID, allow to take it instead
+    usermod --non-unique -u $SDK_USER_ID sdk
 fi
 if [ -n "${SDK_GROUP_ID:-}" ] ; then
-    groupmod -g $SDK_GROUP_ID sdk
+    groupmod --non-unique -g $SDK_GROUP_ID sdk
 fi
 
 chown -R sdk:sdk /home/sdk