diff --git a/cores/esp8266/core_esp8266_postmortem.cpp b/cores/esp8266/core_esp8266_postmortem.cpp
index db0b95ff2..f79ebace8 100644
--- a/cores/esp8266/core_esp8266_postmortem.cpp
+++ b/cores/esp8266/core_esp8266_postmortem.cpp
@@ -144,8 +144,11 @@ void __wrap_system_restart_local() {
         ets_printf_P(PSTR("\nAbort called\n"));
     }
     else if (rst_info.reason == REASON_EXCEPTION_RST) {
+        // The GCC divide routine in ROM jumps to the address below and executes ILL (00 00 00) on div-by-zero
+        // In that case, print the exception as (6) which is IntegerDivZero
+        bool div_zero = (rst_info.exccause == 0) && (rst_info.epc1 == 0x4000dce5);
         ets_printf_P(PSTR("\nException (%d):\nepc1=0x%08x epc2=0x%08x epc3=0x%08x excvaddr=0x%08x depc=0x%08x\n"),
-            rst_info.exccause, rst_info.epc1, rst_info.epc2, rst_info.epc3, rst_info.excvaddr, rst_info.depc);
+            div_zero ? 6 : rst_info.exccause, rst_info.epc1, rst_info.epc2, rst_info.epc3, rst_info.excvaddr, rst_info.depc);
     }
     else if (rst_info.reason == REASON_SOFT_WDT_RST) {
         ets_printf_P(PSTR("\nSoft WDT reset\n"));