diff --git a/src/lmic_config.h b/src/lmic_config.h
index 50c0b4ad..5c3701ef 100644
--- a/src/lmic_config.h
+++ b/src/lmic_config.h
@@ -35,7 +35,7 @@
 // so consuming more power. You may sharpen (reduce) this value if you are
 // limited on battery. 
 // ATTN: VALUES > 7 WILL CAUSE RECEPTION AND JOIN PROBLEMS WITH HIGH SF RATES
-#define CLOCK_ERROR_PROCENTAGE 3
+#define CLOCK_ERROR_PROCENTAGE 5
 
 // Set this to 1 to enable some basic debug output (using printf) about
 // RF settings used during transmission and reception. Set to 2 to