diff --git a/ingress/templates/bin/_ingress-controller.sh.tpl b/ingress/templates/bin/_ingress-controller.sh.tpl
index c8ac04986..550c57c51 100644
--- a/ingress/templates/bin/_ingress-controller.sh.tpl
+++ b/ingress/templates/bin/_ingress-controller.sh.tpl
@@ -20,6 +20,7 @@ set -ex
 COMMAND="${@:-start}"
 
 function start () {
+  rm -fv /tmp/prometheus-nginx.socket
   exec /usr/bin/dumb-init \
       /nginx-ingress-controller \
       {{- if eq .Values.deployment.mode "namespace" }}
diff --git a/mariadb/templates/bin/_mariadb-ingress-controller.sh.tpl b/mariadb/templates/bin/_mariadb-ingress-controller.sh.tpl
index af6e0c0c7..4b3d47b6d 100644
--- a/mariadb/templates/bin/_mariadb-ingress-controller.sh.tpl
+++ b/mariadb/templates/bin/_mariadb-ingress-controller.sh.tpl
@@ -20,6 +20,7 @@ set -ex
 COMMAND="${@:-start}"
 
 function start () {
+  rm -fv /tmp/prometheus-nginx.socket
   exec /usr/bin/dumb-init \
       /nginx-ingress-controller \
       --force-namespace-isolation \