diff --git a/groups/group4_networking b/groups/group4_networking
index 3faf6e0d..126e4923 100644
--- a/groups/group4_networking
+++ b/groups/group4_networking
@@ -8,8 +8,8 @@
 # You should have received a copy of the license along with this
 # work. If not, see <http://creativecommons.org/licenses/by-nc-sa/4.0/>.
 
-GROUP_ID[4]="group4"
-GROUP_NUMBER[4]="4.0"
-GROUP_TITLE[4]="Networking - [group4] ******************************************"
-GROUP_RUN_BY_DEFAULT[4]="Y" # run it when execute_all is called
-GROUP_CHECKS[4]="check41,check42,check43,check44,check45"
+GROUP_ID[4]='group4'
+GROUP_NUMBER[4]='4.0'
+GROUP_TITLE[4]='Networking - [group4] ******************************************'
+GROUP_RUN_BY_DEFAULT[4]='Y' # run it when execute_all is called
+GROUP_CHECKS[4]='check41,check42,check43,check44,check45'
diff --git a/prowler b/prowler
index b5fcbae5..7b802047 100755
--- a/prowler
+++ b/prowler
@@ -99,7 +99,7 @@ while getopts ":hlkp:r:c:g:f:m:M:enbV" OPTION; do
         CHECK_ID=$OPTARG
         ;;
      g )
-        GROUP_ID=$OPTARG
+        GROUP_ID_READ=$OPTARG
         ;;
      f )
         FILTERREGION=$OPTARG
@@ -255,6 +255,12 @@ show_all_titles() {
 	done
 }
 
+show_all_group_titles() {
+	for i in "${!GROUP_TITLE[@]}"; do
+		show_group_title $i
+	done
+}
+
 ### All functions defined above ... run the workflow
 if [[ $MODE != "csv" ]]; then
   prowlerBanner
@@ -281,13 +287,19 @@ if [[ $CHECK_ID ]];then
 fi
 
 # Execute group of checks if called with -g
-if [[ $GROUP_ID ]];then
-  if [[ $MODE == "csv" ]]; then
-    BANNER=0
+if [[ $GROUP_ID_READ ]];then
+  if [[ " ${GROUP_ID[@]} " =~ " ${GROUP_ID_READ} " ]]; then
+    if [[ $MODE == "csv" ]]; then
+      BANNER=0
+    fi
+    execute_group_by_id $GROUP_ID_READ
+    cleanTemp
+    exit $EXITCODE
+  else
+    textFail "Use a valid check group ID i.e.: group1, extras, forensics-ready, etc."
+    show_all_group_titles
+    exit $EXITCODE
   fi
-  execute_group_by_id $GROUP_ID
-  cleanTemp
-  exit $EXITCODE
 fi
 
 # List only check tittles