diff --git a/src/dummy/target-runner-dummy.c b/src/dummy/target-runner-dummy.c
index eb0c6bcb..196e31d2 100644
--- a/src/dummy/target-runner-dummy.c
+++ b/src/dummy/target-runner-dummy.c
@@ -122,7 +122,7 @@ int main(int argc, char *argv[])
     }
     double cost = instance + (p_int * p_real) + rand01();
     double time = (time_is_cost) ? cost : (
-        (bound > 0) ? (bound+1) * rand01() + 0.00001 : instance + (int) (100 * rand01())
+        (bound > 0) ? (bound+1) * rand01() + 0.00001 : instance + (int) (10 * rand01())
         );
         
     if (bound > 0 && time > bound) {
diff --git a/tests/testthat/test-blocksize.R b/tests/testthat/test-blocksize.R
index 0466e917..4aff5054 100644
--- a/tests/testthat/test-blocksize.R
+++ b/tests/testthat/test-blocksize.R
@@ -37,7 +37,7 @@ time.irace <- function(...)
 {
   args <- list(...)
   parameters <- readParameters(text = '
-   tmax "" i (1, 50)
+   tmax "" i (-10, 10)
    temp "" r (0, 10)
    ')
   scenario <- list(targetRunner = target.runner.time,
diff --git a/tests/testthat/test-target-runner-dummy.R b/tests/testthat/test-target-runner-dummy.R
index 1135f0ee..7c766e8a 100644
--- a/tests/testthat/test-target-runner-dummy.R
+++ b/tests/testthat/test-target-runner-dummy.R
@@ -73,22 +73,21 @@ withr::with_output_sink("test-target-runner-dummy.Rout", {
   })
   test_that("--max-time", {
     expect_warning(
-    expect_warning(
-      run_cmdline(paste0('p_int  "--p_int " i (1, 5)\n',
-                         'p_real "--p_real " r (1, 5)\n',
-                         'time   "--time "  c (1)\n'),
-                  '--max-time 2500'),
-        "With the current settings and estimated time per run"),
-      "No scenario file given")      
+      run_cmdline(paste0('p_int  "--p_int " c (1)\n',
+        'p_real "--p_real " r (0, 1)\n',
+        'dummy1 "--dummy1 " r (0, 1)\n',
+        'time   "--time "  c (1)\n'),
+        '--max-time 2500'),
+      "No scenario file given")
   })
   test_that("boundMax is too large", {
     expect_warning(
       expect_warning(
         run_cmdline(paste0('p_int   "--p_int "    i (1, 10)\n',
-                           'p_real  "--p_real "   r (1, 10)\n',
+                           'p_real  "--p_real "   r (0, 1)\n',
                            'time    "--time "     c (1)\n',
                            'capping "--opt-time " c (1)\n'),
-                    '--max-time 100 --bound-max 1 --capping 1'),
+                    '--max-time 1000 --bound-max 100 --capping 1'),
         "is too large"),
       "No scenario file given")      
   })