diff --git a/drivers/adcxx1c/Makefile.include b/drivers/adcxx1c/Makefile.include
index 3912827e09..20e5bef8db 100644
--- a/drivers/adcxx1c/Makefile.include
+++ b/drivers/adcxx1c/Makefile.include
@@ -1,2 +1,7 @@
+# variants of TI ADCXX1C
+PSEUDOMODULES += adc081c
+PSEUDOMODULES += adc101c
+PSEUDOMODULES += adc121c
+
 USEMODULE_INCLUDES_adcxx1c := $(LAST_MAKEFILEDIR)/include
 USEMODULE_INCLUDES += $(USEMODULE_INCLUDES_adcxx1c)