diff --git a/panda/metalibs/panda/panda.h b/panda/metalibs/panda/panda.h
index 62f4c648a6..811fd6b967 100644
--- a/panda/metalibs/panda/panda.h
+++ b/panda/metalibs/panda/panda.h
@@ -6,7 +6,7 @@
 #ifndef PANDA_H
 #define PANDA_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDA void init_libpanda();
 
diff --git a/panda/metalibs/pandacr/pandacr.h b/panda/metalibs/pandacr/pandacr.h
index 74f52c84cb..3e3bf7d4fb 100644
--- a/panda/metalibs/pandacr/pandacr.h
+++ b/panda/metalibs/pandacr/pandacr.h
@@ -6,7 +6,7 @@
 #ifndef PANDACR_H
 #define PANDACR_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDACR void init_libpandacr();
 
diff --git a/panda/metalibs/pandadx8/pandadx8.h b/panda/metalibs/pandadx8/pandadx8.h
index ede7adfb1e..844eff64fe 100644
--- a/panda/metalibs/pandadx8/pandadx8.h
+++ b/panda/metalibs/pandadx8/pandadx8.h
@@ -6,7 +6,7 @@
 #ifndef PANDADX8_H
 #define PANDADX8_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDADX void init_libpandadx8();
 
diff --git a/panda/metalibs/pandaegg/pandaegg.h b/panda/metalibs/pandaegg/pandaegg.h
index 8eec0c188c..64889f46c6 100644
--- a/panda/metalibs/pandaegg/pandaegg.h
+++ b/panda/metalibs/pandaegg/pandaegg.h
@@ -6,7 +6,7 @@
 #ifndef PANDAEGG_H
 #define PANDAEGG_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDAEGG void init_libpandaegg();
 
diff --git a/panda/metalibs/pandafx/pandafx.h b/panda/metalibs/pandafx/pandafx.h
index af93a63f7d..edb9053b2c 100644
--- a/panda/metalibs/pandafx/pandafx.h
+++ b/panda/metalibs/pandafx/pandafx.h
@@ -6,7 +6,7 @@
 #ifndef PANDAFX_H
 #define PANDAFX_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDAFX void init_libpandafx();
 
diff --git a/panda/metalibs/pandagl/pandagl.h b/panda/metalibs/pandagl/pandagl.h
index 9052a886b1..3991794600 100644
--- a/panda/metalibs/pandagl/pandagl.h
+++ b/panda/metalibs/pandagl/pandagl.h
@@ -6,7 +6,7 @@
 #ifndef PANDAGL_H
 #define PANDAGL_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDAGL void init_libpandagl();
 
diff --git a/panda/metalibs/pandaphysics/pandaphysics.h b/panda/metalibs/pandaphysics/pandaphysics.h
index c953561c83..c01ec8b0be 100644
--- a/panda/metalibs/pandaphysics/pandaphysics.h
+++ b/panda/metalibs/pandaphysics/pandaphysics.h
@@ -6,7 +6,7 @@
 #ifndef PANDAPHYSICS_H
 #define PANDAPHYSICS_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 EXPCL_PANDAPHYSICS void init_libpandaphysics();
 
diff --git a/panda/src/audio/config_audio.h b/panda/src/audio/config_audio.h
index 4caf2fc09f..d77f770e97 100644
--- a/panda/src/audio/config_audio.h
+++ b/panda/src/audio/config_audio.h
@@ -19,8 +19,8 @@
 #ifndef __CONFIG_AUDIO_H__
 #define __CONFIG_AUDIO_H__
 
-#include <pandabase.h>
-#include <notifyCategoryProxy.h>
+#include "pandabase.h"
+#include "notifyCategoryProxy.h"
 
 #ifdef WIN32_VC
 #pragma warning (disable : 4231)
diff --git a/panda/src/audio/test_audio.cxx b/panda/src/audio/test_audio.cxx
index 76caeac87e..adb3ec6500 100644
--- a/panda/src/audio/test_audio.cxx
+++ b/panda/src/audio/test_audio.cxx
@@ -16,7 +16,7 @@
 //
 ////////////////////////////////////////////////////////////////////
 
-#include <pandabase.h>
+#include "pandabase.h"
 #include "audio.h"
 
 #include "config_audio.h"
diff --git a/panda/src/audiotraits/fmodAudioSound.cxx b/panda/src/audiotraits/fmodAudioSound.cxx
index a6879e3f0e..376e3ab8cd 100644
--- a/panda/src/audiotraits/fmodAudioSound.cxx
+++ b/panda/src/audiotraits/fmodAudioSound.cxx
@@ -17,7 +17,7 @@
 //
 ////////////////////////////////////////////////////////////////////
 
-#include <pandabase.h>
+#include "pandabase.h"
 #ifdef HAVE_FMOD //[
 
 #include "fmodAudioSound.h"
diff --git a/panda/src/audiotraits/fmodAudioSound.h b/panda/src/audiotraits/fmodAudioSound.h
index 9beb9fc3c0..39f9d2ff30 100644
--- a/panda/src/audiotraits/fmodAudioSound.h
+++ b/panda/src/audiotraits/fmodAudioSound.h
@@ -20,7 +20,7 @@
 #ifndef __FMOD_AUDIO_SOUND_H__
 #define __FMOD_AUDIO_SOUND_H__
 
-#include <pandabase.h>
+#include "pandabase.h"
 #ifdef HAVE_FMOD //[
 
 #include "audioSound.h"
diff --git a/panda/src/audiotraits/milesAudioSound.h b/panda/src/audiotraits/milesAudioSound.h
index 217e92d8d4..ff89b0da0f 100644
--- a/panda/src/audiotraits/milesAudioSound.h
+++ b/panda/src/audiotraits/milesAudioSound.h
@@ -20,7 +20,7 @@
 #ifndef __MILES_AUDIO_SOUND_H__
 #define __MILES_AUDIO_SOUND_H__
 
-#include <pandabase.h>
+#include "pandabase.h"
 #ifdef HAVE_RAD_MSS //[
 
 #include "audioSound.h"
diff --git a/panda/src/builder/mesherConfig.h b/panda/src/builder/mesherConfig.h
index 25b63e54f2..6df759b30d 100644
--- a/panda/src/builder/mesherConfig.h
+++ b/panda/src/builder/mesherConfig.h
@@ -18,7 +18,7 @@
 #ifndef MESHERCONFIG_H
 #define MESHERCONFIG_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 // This is just a file to declare a definition or two global to the
 // mesher compilation.
diff --git a/panda/src/builder/mesherEdge.h b/panda/src/builder/mesherEdge.h
index 7cae2645c0..2e139a370b 100644
--- a/panda/src/builder/mesherEdge.h
+++ b/panda/src/builder/mesherEdge.h
@@ -19,7 +19,7 @@
 #ifndef MESHEREDGE_H
 #define MESHEREDGE_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 #include "mesherConfig.h"
 #include "builderBucket.h"
diff --git a/panda/src/chan/animChannelFixed.h b/panda/src/chan/animChannelFixed.h
index ef7bf13aa3..26aac2b52e 100644
--- a/panda/src/chan/animChannelFixed.h
+++ b/panda/src/chan/animChannelFixed.h
@@ -19,7 +19,7 @@
 #ifndef ANIMCHANNELFIXED_H
 #define ANIMCHANNELFIXED_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 #include "animChannel.h"
 
diff --git a/panda/src/chan/movingPart.h b/panda/src/chan/movingPart.h
index 6d1cd11242..d0afe38eab 100644
--- a/panda/src/chan/movingPart.h
+++ b/panda/src/chan/movingPart.h
@@ -19,7 +19,7 @@
 #ifndef MOVINGPART_H
 #define MOVINGPART_H
 
-#include <pandabase.h>
+#include "pandabase.h"
 
 #include "movingPartBase.h"
 #include "animChannel.h"