diff --git a/src/mainboard/siemens/mc_apl1/devicetree.cb b/src/mainboard/siemens/mc_apl1/devicetree.cb
index 3979870cd2..ab143f738e 100644
--- a/src/mainboard/siemens/mc_apl1/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/devicetree.cb
@@ -92,7 +92,7 @@ chip soc/intel/apollolake
 		device pci 19.1 off end	# - SPI 1
 		device pci 19.2 off end	# - SPI 2
 		device pci 1a.0 off end	# - PWM
-		device pci 1b.0 on  end	# - SDCARD
+		device pci 1b.0 off end	# - SDCARD
 		device pci 1c.0 on  end	# - eMMC
 		device pci 1d.0 off end	# - UFS
 		device pci 1e.0 off end	# - SDIO