diff --git a/drivers/mhz19/Makefile.include b/drivers/mhz19/Makefile.include
index c155188ef7..452ba70247 100644
--- a/drivers/mhz19/Makefile.include
+++ b/drivers/mhz19/Makefile.include
@@ -1,2 +1,6 @@
+# include variants of MH-Z19 drivers as pseudo modules
+PSEUDOMODULES += mhz19_uart
+PSEUDOMODULES += mhz19_pwm
+
 USEMODULE_INCLUDES_mhz19 := $(LAST_MAKEFILEDIR)/include
 USEMODULE_INCLUDES += $(USEMODULE_INCLUDES_mhz19)