diff --git a/cdist/conf/type/__package_pip/explorer/extras b/cdist/conf/type/__package_pip/explorer/extras
index 92fc4732..2f5fcca6 100755
--- a/cdist/conf/type/__package_pip/explorer/extras
+++ b/cdist/conf/type/__package_pip/explorer/extras
@@ -17,10 +17,41 @@
 # You should have received a copy of the GNU General Public License
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
+#
+# Checks if the given extras are really installed or not. It will be
+# done by querring all dependencies for that extra and return it as
+# "to be installed" if no dependency was found.
+#
 
 
 distinfo_dir="$("$__type_explorer/distinfo-dir")"
-if [ "$distinfo_dir" ]; then
-    # output all extras that are installed
-    awk -F': ' '$1 == "Provides-Extra"{print $2}' "$distinfo_dir/METADATA"
+
+# check if we have something to check
+if [ "$distinfo_dir" ] && [ -s "$__object/parameter/extra" ]
+then
+    # save cause freezing is slow
+    mkdir "$__object/files"
+    pip_freeze="$__object/files/pip-freeze.tmp"
+    pip3 freeze > "$pip_freeze"
+
+    for extra in $(cat "$__object/parameter/extra" | tr ',' '\n')
+    do
+        # create a grep BRE pattern to search all packages
+        grep_pattern="$(
+            awk -F'(: | ; )' -v check="$extra" '
+                $1 == "Requires-Dist" {
+                    split($2, r, " ");
+                    sub("extra == ", "", $3); gsub("'"'"'", "", $3);
+                    if($3 == check) print r[1]
+                }' "$distinfo_dir/METADATA" \
+                | sed ':a; $!N; s/\n/\\|/; ta'
+        )"
+
+        # echo the extra if no packages where found for it
+        # if there is no pattern, we don't need to search ;-)
+        if [ "$grep_pattern" ] && ! grep -q "$grep_pattern" "$pip_freeze"
+        then
+            echo "$extra"
+        fi
+    done
 fi
diff --git a/cdist/conf/type/__package_pip/gencode-remote b/cdist/conf/type/__package_pip/gencode-remote
index ad327e37..9abe28bf 100755
--- a/cdist/conf/type/__package_pip/gencode-remote
+++ b/cdist/conf/type/__package_pip/gencode-remote
@@ -26,7 +26,10 @@
 state_is=$(cat "$__object/explorer/state")
 state_should="$(cat "$__object/parameter/state")"
 
-[ "$state_is" = "$state_should" ] && exit 0
+# short circuit if state is the same and no extras to install
+[ "$state_is" = "$state_should" ] && ! [ -s "$__object/explorer/extras" ] \
+    && exit 0
+
 
 nameparam="$__object/parameter/name"
 if [ -f "$nameparam" ]; then
@@ -57,19 +60,11 @@ fi
 
 case "$state_should" in
     present)
-        if [ -f "$__object/parameter/extra" ]
+        if [ -s "$__object/explorer/extras" ]
         then
-            mkdir "$__object/files"
-            # sort and generalize all extras
-            sed 's/,/\n/g' "$__object/parameter/extra" | sort > "$__object/files/extras-params"
-            sort "$__object/explorer/extras" > "$__object/files/extras-explorer"
-
-            # assemble extras
-            # all extras are passed to pip in a comma-separated list
-            extras="$(comm -23 \
-                "$__object/files/extras-params" "$__object/files/extras-explorer" \
-                | sed ':a; $!N; s/\n/,/; ta'  # loops through all input lines and add commas between them
-            )"
+            # all extras are passed to pip in a comma-separated list in the name
+            # sed loops through all input lines and add commas between them
+            extras="$(sed ':a; $!N; s/\n/,/; ta' "$__object/explorer/extras")"
             name="${name}[${extras}]"
         fi