diff --git a/esphome/components/rotary_encoder/rotary_encoder.cpp b/esphome/components/rotary_encoder/rotary_encoder.cpp
index d88329d064..949a301661 100644
--- a/esphome/components/rotary_encoder/rotary_encoder.cpp
+++ b/esphome/components/rotary_encoder/rotary_encoder.cpp
@@ -101,15 +101,15 @@ void RotaryEncoderSensor::setup() {
   ESP_LOGCONFIG(TAG, "Setting up Rotary Encoder '%s'...", this->name_.c_str());
   this->pin_a_->setup();
   this->store_.pin_a = this->pin_a_->to_isr();
-  this->pin_a_->attach_interrupt(RotaryEncoderSensorStore::gpio_intr, &this->store_, CHANGE);
-
   this->pin_b_->setup();
   this->store_.pin_b = this->pin_b_->to_isr();
-  this->pin_b_->attach_interrupt(RotaryEncoderSensorStore::gpio_intr, &this->store_, CHANGE);
 
   if (this->pin_i_ != nullptr) {
     this->pin_i_->setup();
   }
+
+  this->pin_a_->attach_interrupt(RotaryEncoderSensorStore::gpio_intr, &this->store_, CHANGE);
+  this->pin_b_->attach_interrupt(RotaryEncoderSensorStore::gpio_intr, &this->store_, CHANGE);
 }
 void RotaryEncoderSensor::dump_config() {
   LOG_SENSOR("", "Rotary Encoder", this);
diff --git a/esphome/components/rotary_encoder/sensor.py b/esphome/components/rotary_encoder/sensor.py
index 3eb2a5ca45..fb4881e18b 100644
--- a/esphome/components/rotary_encoder/sensor.py
+++ b/esphome/components/rotary_encoder/sensor.py
@@ -36,7 +36,7 @@ CONFIG_SCHEMA = cv.All(sensor.sensor_schema(UNIT_STEPS, ICON_ROTATE_RIGHT, 0).ex
                                     pins.validate_has_interrupt),
     cv.Required(CONF_PIN_B): cv.All(pins.internal_gpio_input_pin_schema,
                                     pins.validate_has_interrupt),
-    cv.Optional(CONF_PIN_RESET): pins.internal_gpio_input_pin_schema,
+    cv.Optional(CONF_PIN_RESET): pins.internal_gpio_output_pin_schema,
     cv.Optional(CONF_RESOLUTION, default=1): cv.enum(RESOLUTIONS, int=True),
     cv.Optional(CONF_MIN_VALUE): cv.int_,
     cv.Optional(CONF_MAX_VALUE): cv.int_,
@@ -50,7 +50,7 @@ def to_code(config):
     pin_a = yield cg.gpio_pin_expression(config[CONF_PIN_A])
     cg.add(var.set_pin_a(pin_a))
     pin_b = yield cg.gpio_pin_expression(config[CONF_PIN_B])
-    cg.add(var.set_pin_a(pin_b))
+    cg.add(var.set_pin_b(pin_b))
 
     if CONF_PIN_RESET in config:
         pin_i = yield cg.gpio_pin_expression(config[CONF_PIN_RESET])