diff --git a/cmake/project.cmake b/cmake/project.cmake
index 127d990..3057283 100644
--- a/cmake/project.cmake
+++ b/cmake/project.cmake
@@ -32,7 +32,7 @@ target_link_options(${TARGET_NAME} PRIVATE
 	-mthumb
 	-mfpu=fpv4-sp-d16
 	-mfloat-abi=hard
-	# -u _printf_float
+	-u _printf_float
 	-static
 	--specs=nano.specs
 	--specs=nosys.specs