diff --git a/achterbahn.ino b/achterbahn.ino
index 50c1eeb..51585ce 100644
--- a/achterbahn.ino
+++ b/achterbahn.ino
@@ -26,8 +26,8 @@ long lastCheckspawn=0;
 #define SPAWNCHANCEDOUBLE 5 //change of spawning a two trains simultaneously
 long lastCheckspawnEffect=0;
 #define CHECKSPAWNDELAY_EFFECT 2000 //delay in ms to check random effect
-#define SPAWNCHANCE_EFFECT_SCANNER 100 //1 out of x times spawn effect
-#define SPAWNCHANCE_EFFECT_FLASH 80 //1 out of x times spawn effect
+#define SPAWNCHANCE_EFFECT_SCANNER 600 //1 out of x times spawn effect
+#define SPAWNCHANCE_EFFECT_FLASH 600 //1 out of x times spawn effect
 
 #define BRIGHTNESS_RUN 200
 #define BRIGHTNESS_DEBUG 150