diff --git a/check_webservice_load.sh b/check_webservice_load.sh
index 338ffc8..70e421d 100755
--- a/check_webservice_load.sh
+++ b/check_webservice_load.sh
@@ -885,6 +885,13 @@ stop_postgresql() {
          break
       fi
 
+      # - Don't Start/Stop/Kill Services if package management is running (apt,aptitude,dpkg)
+      # -
+      if ( [[ "${os_dist,,}" = "debian" ]] || [[ "${os_dist,,}" = "ubuntu" ]] ) \
+            && $(lsof /var/lib/dpkg/lock >/dev/null 2>&1) ; then
+         warn "It seems that package management (apt,dpkg) is running. Exiting '${FUNCNAME[0]}' now.."
+         return 1
+      fi
       kill $PSQL_MAIN_PID > /dev/null 2>&1
 
       sleep 2
@@ -907,6 +914,13 @@ stop_postgresql() {
       error "Found processes 'postgres:'."
       info "Going to kill processes 'postgres:'.."
 
+      # - Don't Start/Stop/Kill Services if package management is running (apt,aptitude,dpkg)
+      # -
+      if ( [[ "${os_dist,,}" = "debian" ]] || [[ "${os_dist,,}" = "ubuntu" ]] ) \
+            && $(lsof /var/lib/dpkg/lock >/dev/null 2>&1) ; then
+         warn "It seems that package management (apt,dpkg) is running. Exiting '${FUNCNAME[0]}' now.."
+         return 1
+      fi
       for _PID in $CHILD_PIDS ; do
          kill $_PID > /dev/null 2>&1
       done