diff --git a/cores/esp8266/abi.cpp b/cores/esp8266/abi.cpp
index 3d1586076..2cb6889d8 100644
--- a/cores/esp8266/abi.cpp
+++ b/cores/esp8266/abi.cpp
@@ -107,7 +107,7 @@ void __throw_logic_error(const char* str)
     panic();
 }
 
-void __throw_out_of_range(const ohar* str)
+void __throw_out_of_range(const char* str)
 {
     panic();
 }