diff --git a/Source/cmArgumentParserTypes.h b/Source/cmArgumentParserTypes.h
index 7daae09744..3e0fae4404 100644
--- a/Source/cmArgumentParserTypes.h
+++ b/Source/cmArgumentParserTypes.h
@@ -4,7 +4,7 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
-#if defined(__SUNPRO_CC)
+#if defined(__SUNPRO_CC) || defined(__EDG__)
 
 #  include <string>
 #  include <vector>