diff --git a/tests/pkg_ubasic/Makefile b/tests/pkg_ubasic/Makefile
index 260ac6a11b..ed7e859fb6 100644
--- a/tests/pkg_ubasic/Makefile
+++ b/tests/pkg_ubasic/Makefile
@@ -31,5 +31,6 @@ BOARD_BLACKLIST := \
 
 USEPKG += ubasic
 USEMODULE += ubasic_tests
+USEMODULE += printf_float
 
 include $(RIOTBASE)/Makefile.include