diff --git a/Devices/waveshare-esp32-s3-rlcd/waveshare,esp32-s3-rlcd.dts b/Devices/waveshare-esp32-s3-rlcd/waveshare,esp32-s3-rlcd.dts
index a712aa86..91c40090 100644
--- a/Devices/waveshare-esp32-s3-rlcd/waveshare,esp32-s3-rlcd.dts
+++ b/Devices/waveshare-esp32-s3-rlcd/waveshare,esp32-s3-rlcd.dts
@@ -45,11 +45,13 @@
 
 	sdmmc0 {
 		compatible = "espressif,esp32-sdmmc";
-		pin-clk = <&gpio0 2 GPIO_FLAG_NONE>;
-		pin-cmd = <&gpio0 1 GPIO_FLAG_NONE>;
-		pin-d0 = <&gpio0 3 GPIO_FLAG_NONE>;
+		pin-clk = <&gpio0 38 GPIO_FLAG_NONE>;
+		pin-cmd = <&gpio0 21 GPIO_FLAG_NONE>;
+		pin-d0 = <&gpio0 39 GPIO_FLAG_NONE>;
+		pin-d3 = <&gpio0 17 GPIO_FLAG_NONE>;
 		slot = <SDMMC_HOST_SLOT_1>;
 		bus-width = <1>;
+		pullups;
 	};
 
 	uart0 {
diff --git a/Platforms/platform-esp32/source/drivers/esp32_sdmmc_fs.cpp b/Platforms/platform-esp32/source/drivers/esp32_sdmmc_fs.cpp
index 86106d34..e00d0c71 100644
--- a/Platforms/platform-esp32/source/drivers/esp32_sdmmc_fs.cpp
+++ b/Platforms/platform-esp32/source/drivers/esp32_sdmmc_fs.cpp
@@ -9,6 +9,7 @@
 #include <tactility/log.h>
 
 #include <driver/sdmmc_host.h>
+#include <driver/gpio.h>
 #include <esp_vfs_fat.h>
 #include <freertos/FreeRTOS.h>
 #include <freertos/task.h>
@@ -108,15 +109,33 @@ static error_t mount(void* data) {
     uint32_t slot_config_flags = 0;
     if (config->enable_uhs) slot_config_flags |= SDMMC_SLOT_FLAG_UHS1;
     if (config->wp_active_high) slot_config_flags |= SDMMC_SLOT_FLAG_WP_ACTIVE_HIGH;
-    if (config->pullups) slot_config_flags |= SDMMC_SLOT_FLAG_INTERNAL_PULLUP;
+
+    gpio_num_t clk_pin = to_native_pin(config->pin_clk);
+    gpio_num_t cmd_pin = to_native_pin(config->pin_cmd);
+    gpio_num_t d0_pin = to_native_pin(config->pin_d0);
+    gpio_num_t d3_pin = to_native_pin(config->pin_d3);
+
+    // Manually enable pull-ups on CMD, D0, and D3 if pullups configuration is true
+    // This avoids pulling up the CLK line which can cause clock signal distortion
+    if (config->pullups) {
+        if (cmd_pin != GPIO_NUM_NC) {
+            gpio_pullup_en(cmd_pin);
+        }
+        if (d0_pin != GPIO_NUM_NC) {
+            gpio_pullup_en(d0_pin);
+        }
+        if (d3_pin != GPIO_NUM_NC) {
+            gpio_pullup_en(d3_pin);
+        }
+    }
 
     sdmmc_slot_config_t slot_config = {
-        .clk = to_native_pin(config->pin_clk),
-        .cmd = to_native_pin(config->pin_cmd),
-        .d0  = to_native_pin(config->pin_d0),
+        .clk = clk_pin,
+        .cmd = cmd_pin,
+        .d0  = d0_pin,
         .d1  = to_native_pin(config->pin_d1),
         .d2  = to_native_pin(config->pin_d2),
-        .d3  = to_native_pin(config->pin_d3),
+        .d3  = d3_pin,
         .d4  = to_native_pin(config->pin_d4),
         .d5  = to_native_pin(config->pin_d5),
         .d6  = to_native_pin(config->pin_d6),