diff --git a/esphome/components/modem/__init__.py b/esphome/components/modem/__init__.py
index 3fe3fda6df..1ff505acbb 100644
--- a/esphome/components/modem/__init__.py
+++ b/esphome/components/modem/__init__.py
@@ -85,7 +85,7 @@ async def to_code(config):
     add_idf_sdkconfig_option("CONFIG_PPP_CHAP_SUPPORT", True)
     add_idf_sdkconfig_option("CONFIG_LWIP_PPP_VJ_HEADER_COMPRESSION", True)
     add_idf_sdkconfig_option("CONFIG_LWIP_PPP_NOTIFY_PHASE_SUPPORT", True)
-    add_idf_sdkconfig_option("CONFIG_UART_ISR_IN_IRAM", True)
+    # add_idf_sdkconfig_option("CONFIG_UART_ISR_IN_IRAM", True)
 
     cg.add_define("USE_MODEM")
 
diff --git a/esphome/components/modem/modem_component.cpp b/esphome/components/modem/modem_component.cpp
index 1cfa198fea..662e1a5696 100644
--- a/esphome/components/modem/modem_component.cpp
+++ b/esphome/components/modem/modem_component.cpp
@@ -256,6 +256,7 @@ void ModemComponent::loop() {
 
   switch (this->state_) {
     case ModemComponentState::STOPPED:
+      set_wdt(60);
       if (this->started_) {
         if (!this->modem_ready()) {
           ESP_LOGD(TAG, "Modem not responding. Trying to recover...");
@@ -279,6 +280,7 @@ void ModemComponent::loop() {
           this->start_connect_();
         }
       }
+      set_wdt(CONFIG_TASK_WDT_TIMEOUT_S);
       break;
     case ModemComponentState::CONNECTING:
       if (!this->started_) {