--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -78,7 +78,7 @@
 	pt-pr-code.h pt-select.h pt-stmt.h pt-unop.h pt-walk.h
 
 INCLUDES := BaseSLList.h Cell.h DLList.h Map.h Pix.h SLList.h \
-	SLStack.h Stack.h c_file_ptr_stream.h defun-dld.h \
+	SLStack.h Stack.h c-file-ptr-stream.h defun-dld.h \
 	defun-int.h defun.h dirfns.h dynamic-ld.h error.h file-io.h \
 	fn-cache.h gripes.h help.h input.h lex.h load-save.h \
 	oct-fstrm.h oct-hist.h oct-iostrm.h oct-map.h oct-obj.h \
@@ -120,7 +120,7 @@
 	pt-select.cc pt-stmt.cc pt-unop.cc
 
 DIST_SRC := BaseSLList.cc Cell.cc DLList.cc Map.cc SLList.cc \
-	SLStack.cc Stack.cc c_file_ptr_stream.cc cutils.c data.cc \
+	SLStack.cc Stack.cc c-file-ptr-stream.cc cutils.c data.cc \
 	defaults.cc defun.cc dirfns.cc dynamic-ld.cc error.cc \
 	file-io.cc fn-cache.cc gripes.cc help.cc input.cc lex.l \
 	load-save.cc mappers.cc matherr.c oct-fstrm.cc oct-hist.cc \

--- a/src/c-file-ptr-stream.cc
+++ b/src/c-file-ptr-stream.cc
@@ -28,7 +28,7 @@
 #include <config.h>
 #endif
 
-#include "c_file_ptr_stream.h"
+#include "c-file-ptr-stream.h"
 
 #ifndef SEEK_SET
 #define SEEK_SET 0