diff --git a/direct/src/dcparser/dcParser.cxx.prebuilt b/direct/src/dcparser/dcParser.cxx.prebuilt
index 6f4f167302..aeab2dc34c 100644
--- a/direct/src/dcparser/dcParser.cxx.prebuilt
+++ b/direct/src/dcparser/dcParser.cxx.prebuilt
@@ -179,7 +179,7 @@ dc_cleanup_parser() {
 #  endif
 # endif
 
-#include "dcParser.yxx.h"
+#include "dcParser.h"
 /* Symbol kind.  */
 enum yysymbol_kind_t
 {
diff --git a/dtool/src/cppparser/cppBison.cxx.prebuilt b/dtool/src/cppparser/cppBison.cxx.prebuilt
index 2acccd79f3..cf5abc195a 100644
--- a/dtool/src/cppparser/cppBison.cxx.prebuilt
+++ b/dtool/src/cppparser/cppBison.cxx.prebuilt
@@ -293,7 +293,7 @@ pop_struct() {
 #  endif
 # endif
 
-#include "cppBison.yxx.h"
+#include "cppBison.h"
 /* Symbol kind.  */
 enum yysymbol_kind_t
 {