diff --git a/cpu/at32ap/Makefile b/cpu/at32ap/Makefile
index d16c58b773..f1823300a8 100644
--- a/cpu/at32ap/Makefile
+++ b/cpu/at32ap/Makefile
@@ -35,7 +35,7 @@ COBJS-y			+= exception.o
 COBJS-y			+= cache.o
 COBJS-y			+= interrupts.o
 COBJS-y			+= pio.o
-COBJS-$(CONFIG_MMC)	+= atmel_mci.o
+COBJS-$(CONFIG_ATMEL_MCI) += atmel_mci.o
 
 SRCS	:= $(START-y:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/include/configs/atngw100.h b/include/configs/atngw100.h
index 7ac51b543c..84d235ea9d 100644
--- a/include/configs/atngw100.h
+++ b/include/configs/atngw100.h
@@ -128,6 +128,7 @@
 #define CFG_NR_PIOS			5
 #define CFG_HSDRAMC			1
 #define CONFIG_MMC			1
+#define CONFIG_ATMEL_MCI		1
 #define CONFIG_ATMEL_SPI		1
 
 #define CONFIG_SPI_FLASH		1
diff --git a/include/configs/atstk1002.h b/include/configs/atstk1002.h
index ba18eb63c7..90910bb98a 100644
--- a/include/configs/atstk1002.h
+++ b/include/configs/atstk1002.h
@@ -153,6 +153,7 @@
 #define CFG_NR_PIOS			5
 #define CFG_HSDRAMC			1
 #define CONFIG_MMC			1
+#define CONFIG_ATMEL_MCI		1
 
 #define CFG_DCACHE_LINESZ		32
 #define CFG_ICACHE_LINESZ		32
diff --git a/include/configs/atstk1003.h b/include/configs/atstk1003.h
index a528ddfb0e..03472a8869 100644
--- a/include/configs/atstk1003.h
+++ b/include/configs/atstk1003.h
@@ -136,6 +136,7 @@
 #define CONFIG_PIO2			1
 #define CFG_HSDRAMC			1
 #define CONFIG_MMC			1
+#define CONFIG_ATMEL_MCI		1
 
 #define CFG_DCACHE_LINESZ		32
 #define CFG_ICACHE_LINESZ		32
diff --git a/include/configs/atstk1004.h b/include/configs/atstk1004.h
index fc9585e84d..07add821a9 100644
--- a/include/configs/atstk1004.h
+++ b/include/configs/atstk1004.h
@@ -136,6 +136,7 @@
 #define CONFIG_PIO2			1
 #define CFG_HSDRAMC			1
 #define CONFIG_MMC			1
+#define CONFIG_ATMEL_MCI		1
 
 #define CFG_DCACHE_LINESZ		32
 #define CFG_ICACHE_LINESZ		32
diff --git a/include/configs/atstk1006.h b/include/configs/atstk1006.h
index 9fd49a53a3..f9af67540a 100644
--- a/include/configs/atstk1006.h
+++ b/include/configs/atstk1006.h
@@ -153,6 +153,7 @@
 #define CFG_NR_PIOS			5
 #define CFG_HSDRAMC			1
 #define CONFIG_MMC			1
+#define CONFIG_ATMEL_MCI		1
 
 #define CFG_DCACHE_LINESZ		32
 #define CFG_ICACHE_LINESZ		32