diff --git a/tests/pkg_semtech-loramac/Makefile b/tests/pkg_semtech-loramac/Makefile
index 6634837b7d..47081377ea 100644
--- a/tests/pkg_semtech-loramac/Makefile
+++ b/tests/pkg_semtech-loramac/Makefile
@@ -19,5 +19,6 @@ USEMODULE += shell_commands
 USEMODULE += fmt
 
 CFLAGS += -DREGION_$(LORA_REGION)
+CFLAGS += -DLORAMAC_ACTIVE_REGION=LORAMAC_REGION_$(LORA_REGION)
 
 include $(RIOTBASE)/Makefile.include