diff --git a/contrib/pngminim/decoder/pngusr.h b/contrib/pngminim/decoder/pngusr.h
index 451aa881..74b97b81 100644
--- a/contrib/pngminim/decoder/pngusr.h
+++ b/contrib/pngminim/decoder/pngusr.h
@@ -44,6 +44,7 @@
 #define PNG_NO_READ_sBIT
 #define PNG_NO_READ_sCAL
 #define PNG_NO_READ_sPLT
+#define PNG_NO_READ_sRGB
 #define PNG_NO_READ_TEXT
 #define PNG_NO_READ_tIME
 #define PNG_NO_READ_UNKNOWN_CHUNKS
diff --git a/contrib/pngminim/encoder/pngusr.h b/contrib/pngminim/encoder/pngusr.h
index 18989d12..7c1627c7 100644
--- a/contrib/pngminim/encoder/pngusr.h
+++ b/contrib/pngminim/encoder/pngusr.h
@@ -33,7 +33,6 @@
 #define PNG_NO_WRITE_bKGD
 #define PNG_NO_WRITE_cHRM
 #define PNG_NO_WRITE_gAMA
-#define PNG_NO_WRITE_sRGB
 #define PNG_NO_WRITE_hIST
 #define PNG_NO_WRITE_iCCP
 #define PNG_NO_WRITE_oFFs
@@ -42,6 +41,7 @@
 #define PNG_NO_WRITE_sBIT
 #define PNG_NO_WRITE_sCAL
 #define PNG_NO_WRITE_sPLT
+#define PNG_NO_WRITE_sRGB
 #define PNG_NO_WRITE_TEXT
 #define PNG_NO_WRITE_tIME
 #define PNG_NO_WRITE_UNKNOWN_CHUNKS