diff --git a/sys/test_utils/result_output/txt/result_output_txt.c b/sys/test_utils/result_output/txt/result_output_txt.c
index ea4cddbed2..2bac84ff30 100644
--- a/sys/test_utils/result_output/txt/result_output_txt.c
+++ b/sys/test_utils/result_output/txt/result_output_txt.c
@@ -49,7 +49,7 @@ void turo_u64(turo_t *ctx, uint64_t val)
 void turo_float(turo_t *ctx, float val)
 {
     (void)ctx;
-    print_float(val, 8);
+    print_float(val, 7);
     print_str(" ");
 }