diff --git a/samples/sensor/i3g4250d/prj.conf b/samples/sensor/i3g4250d/prj.conf
index 8f604abf398..31f7202eb5b 100644
--- a/samples/sensor/i3g4250d/prj.conf
+++ b/samples/sensor/i3g4250d/prj.conf
@@ -1,2 +1,3 @@
 CONFIG_SPI=y
 CONFIG_SENSOR=y
+CONFIG_REQUIRES_FLOAT_PRINTF=y