diff --git a/cde/programs/dthelp/parser/canon1/parser/proto.h b/cde/programs/dthelp/parser/canon1/parser/proto.h
index b33f650b4..85b1502b8 100644
--- a/cde/programs/dthelp/parser/canon1/parser/proto.h
+++ b/cde/programs/dthelp/parser/canon1/parser/proto.h
@@ -454,7 +454,7 @@ LOGICAL m_lookent(
 #endif
   ) ;
 
-void main(
+int main(
 #if defined(M_PROTO)
   int argc, char **argv
 #endif