diff --git a/tests/puf_sram/main.c b/tests/puf_sram/main.c
index 61ac6fc6f7..21050fdf6a 100644
--- a/tests/puf_sram/main.c
+++ b/tests/puf_sram/main.c
@@ -25,7 +25,7 @@ int main(void)
 {
     puts("Start: Test random number generator");
 
-    printf("Success: Data for puf_sram_seed: [0x%08" PRIX32 "]", puf_sram_seed);
+    printf("Success: Data for puf_sram_seed: [0x%08" PRIX32 "]\n", puf_sram_seed);
 
     puts("End: Test finished");
     return 0;