diff --git a/src/decode.c b/src/decode.c
index 3d7eb5eab..f60fb490e 100644
--- a/src/decode.c
+++ b/src/decode.c
@@ -807,7 +807,7 @@ PyImaging_XbmDecoderNew(PyObject* self, PyObject* args)
 
 #ifdef HAVE_LIBZ
 
-#include "ZipState.h"
+#include "ZipCodecs.h"
 
 PyObject*
 PyImaging_ZipDecoderNew(PyObject* self, PyObject* args)
diff --git a/src/encode.c b/src/encode.c
index e9a344187..62a6ec387 100644
--- a/src/encode.c
+++ b/src/encode.c
@@ -578,7 +578,7 @@ PyImaging_XbmEncoderNew(PyObject* self, PyObject* args)
 
 #ifdef HAVE_LIBZ
 
-#include "ZipState.h"
+#include "ZipCodecs.h"
 
 PyObject*
 PyImaging_ZipEncoderNew(PyObject* self, PyObject* args)
diff --git a/src/libImaging/ZipState.h b/src/libImaging/ZipCodecs.h
similarity index 100%
rename from src/libImaging/ZipState.h
rename to src/libImaging/ZipCodecs.h
diff --git a/src/libImaging/ZipDecode.c b/src/libImaging/ZipDecode.c
index f9b12db70..a09ee82f7 100644
--- a/src/libImaging/ZipDecode.c
+++ b/src/libImaging/ZipDecode.c
@@ -20,7 +20,7 @@
 
 #ifdef  HAVE_LIBZ
 
-#include "ZipState.h"
+#include "ZipCodecs.h"
 
 static const int OFFSET[] = { 7, 3, 3, 1, 1, 0, 0 };
 static const int STARTING_COL[] = { 0, 4, 0, 2, 0, 1, 0 };
diff --git a/src/libImaging/ZipEncode.c b/src/libImaging/ZipEncode.c
index 67b7acbf8..4e862af57 100644
--- a/src/libImaging/ZipEncode.c
+++ b/src/libImaging/ZipEncode.c
@@ -19,7 +19,7 @@
 
 #ifdef  HAVE_LIBZ
 
-#include "ZipState.h"
+#include "ZipCodecs.h"
 
 int
 ImagingZipEncode(Imaging im, ImagingCodecState state, UINT8* buf, int bytes)