diff --git a/src/rtl_433_ESP.cpp b/src/rtl_433_ESP.cpp
index 42157f6..0b23124 100644
--- a/src/rtl_433_ESP.cpp
+++ b/src/rtl_433_ESP.cpp
@@ -55,7 +55,7 @@ Module* _mod = radio.getMod();
 
 /*----------------------------- rtl_433_ESP Internals -----------------------------*/
 
-#define rtl_433_ReceiverTask_Stack    1800
+#define rtl_433_ReceiverTask_Stack    2000
 #define rtl_433_ReceiverTask_Priority 2
 #define rtl_433_ReceiverTask_Core     0
 
diff --git a/src/rtl_433_ESP.h b/src/rtl_433_ESP.h
index 2d87d29..e1a3770 100644
--- a/src/rtl_433_ESP.h
+++ b/src/rtl_433_ESP.h
@@ -93,7 +93,7 @@
 #  define MINIMUM_SIGNAL_LENGTH 40000
 #else
 #  define MINIMUM_PULSE_LENGTH  30
-#  define MINIMUM_SIGNAL_LENGTH 5000
+#  define MINIMUM_SIGNAL_LENGTH 500
 #endif
 
 // SX127X OOK Reception Floor