diff --git a/samples/ubx_gnss/prj.conf b/samples/ubx_gnss/prj.conf
index 9de99a1c48..7fabb1a7be 100644
--- a/samples/ubx_gnss/prj.conf
+++ b/samples/ubx_gnss/prj.conf
@@ -28,7 +28,7 @@ CONFIG_UBXLIB_GNSS=y
 
 # Libc
 CONFIG_MINIMAL_LIBC=y
-CONFIG_MINIMAL_LIBC_MALLOC=n
+CONFIG_COMMON_LIBC_MALLOC=n
 
 # Memory
 CONFIG_MAIN_STACK_SIZE=8192