diff --git a/.github/actions/sanity_tests.sh b/.github/actions/sanity_tests.sh
index 26fb398..8d37b68 100755
--- a/.github/actions/sanity_tests.sh
+++ b/.github/actions/sanity_tests.sh
@@ -1,3 +1,5 @@
+set -e
+
 ./build/bin/tester/sameboy_tester --jobs 5 \
       --length 40 .github/actions/cgb_sound.gb \
       --length 10  .github/actions/cgb-acid2.gbc \
diff --git a/Tester/main.c b/Tester/main.c
index f399f3f..e2e1aa8 100755
--- a/Tester/main.c
+++ b/Tester/main.c
@@ -322,15 +322,15 @@ int main(int argc, char **argv)
         
         if (dmg) {
             GB_init(&gb, GB_MODEL_DMG_B);
-            if (GB_load_boot_rom(&gb, boot_rom_path? boot_rom_path : executable_relative_path("dmg_boot.bin"))) {
-                perror("Failed to load boot ROM");
+            if (GB_load_boot_rom(&gb, boot_rom_path ?: executable_relative_path("dmg_boot.bin"))) {
+                fprintf(stderr, "Failed to load boot ROM from '%s'\n", boot_rom_path ?: executable_relative_path("dmg_boot.bin"));
                 exit(1);
             }
         }
         else {
             GB_init(&gb, GB_MODEL_CGB_E);
-            if (GB_load_boot_rom(&gb, boot_rom_path? boot_rom_path : executable_relative_path("cgb_boot.bin"))) {
-                perror("Failed to load boot ROM");
+            if (GB_load_boot_rom(&gb, boot_rom_path ?: executable_relative_path("cgb_boot.bin"))) {
+                fprintf(stderr, "Failed to load boot ROM from '%s'\n", boot_rom_path ?: executable_relative_path("cgb_boot.bin"));
                 exit(1);
             }
         }