diff --git a/.gitattributes b/.gitattributes
index 90e666e57f..3a7b70019e 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,6 @@
 # Use Unix line endings in all text files.
 * text=auto eol=lf
+*.png -text
 
 # Tell git which symlinks point to files, and which ones point to directories.
 # This is revelevant for Windows only, and requires git >= 2.19.2 to work.