diff --git a/app_language.cpp b/app_language.cpp
index 16b9ed1..702c2f9 100644
--- a/app_language.cpp
+++ b/app_language.cpp
@@ -592,6 +592,14 @@ public:
 				*end = ';';
 		}
 
+		if (cp == 37 		// IBM EBCDIC US-Canada
+			|| cp == 437	// OEM-US
+			|| cp == 500	// IBM EBCDIC International
+			|| cp == 1146	// IBM EBCDIC England
+			|| cp == 20285	// IBM EBCDIC English
+			)
+			cp = 20127;
+
 		return cp;
 	}
 	static lang_mgr* instance(void)
@@ -797,6 +805,14 @@ extern "C"
 	}
 	int lang_set_code_page(int cp)
 	{
+		if (cp == 37 		// IBM EBCDIC US-Canada
+			|| cp == 437	// OEM-US
+			|| cp == 500	// IBM EBCDIC International
+			|| cp == 1146	// IBM EBCDIC England
+			|| cp == 20285	// IBM EBCDIC English
+			)
+			cp = 20127;
+
 		return lang_mgr::instance()->set_code_page(cp);
 	}
 	const char* lang_load_string(uint32_t id, int* err, bool def)