diff --git a/pandatool/src/eggbase/eggWriter.cxx b/pandatool/src/eggbase/eggWriter.cxx
index 6a46bb4d0e..44e757ef48 100644
--- a/pandatool/src/eggbase/eggWriter.cxx
+++ b/pandatool/src/eggbase/eggWriter.cxx
@@ -18,8 +18,8 @@
 
 #include "eggWriter.h"
 
-#include <string_utils.h>
-#include <compose_matrix.h>
+#include "string_utils.h"
+#include "compose_matrix.h"
 
 ////////////////////////////////////////////////////////////////////
 //     Function: EggWriter::Constructor
diff --git a/pandatool/src/eggbase/eggWriter.h b/pandatool/src/eggbase/eggWriter.h
index 53529c08ae..7b5e53716e 100644
--- a/pandatool/src/eggbase/eggWriter.h
+++ b/pandatool/src/eggbase/eggWriter.h
@@ -19,14 +19,12 @@
 #ifndef EGGWRITER_H
 #define EGGWRITER_H
 
-#include <pandatoolbase.h>
-
+#include "pandatoolbase.h"
 #include "eggBase.h"
+#include "withOutputFile.h"
 
-#include <withOutputFile.h>
-
-#include <filename.h>
-#include <luse.h>
+#include "filename.h"
+#include "luse.h"
 
 ////////////////////////////////////////////////////////////////////
 //       Class : EggWriter
diff --git a/pandatool/src/progbase/withOutputFile.h b/pandatool/src/progbase/withOutputFile.h
index 59658bdf19..3b8d14eec3 100644
--- a/pandatool/src/progbase/withOutputFile.h
+++ b/pandatool/src/progbase/withOutputFile.h
@@ -19,10 +19,10 @@
 #ifndef WITHOUTPUTFILE_H
 #define WITHOUTPUTFILE_H
 
-#include <pandatoolbase.h>
+#include "pandatoolbase.h"
 
 #include "programBase.h"
-#include <filename.h>
+#include "filename.h"
 
 ////////////////////////////////////////////////////////////////////
 //       Class : WithOutputFile