diff --git a/modules/juce_graphics/image_formats/juce_PNGLoader.cpp b/modules/juce_graphics/image_formats/juce_PNGLoader.cpp
index 54be28b0fd..66e4167f37 100644
--- a/modules/juce_graphics/image_formats/juce_PNGLoader.cpp
+++ b/modules/juce_graphics/image_formats/juce_PNGLoader.cpp
@@ -271,8 +271,8 @@ namespace pnglibNamespace
   #define PNG_sCAL_PRECISION 5
   #define PNG_sRGB_PROFILE_CHECKS 2
 
-  #define PNG_LINKAGE_API extern
-  #define PNG_LINKAGE_FUNCTION extern
+  #define PNG_LINKAGE_API inline
+  #define PNG_LINKAGE_FUNCTION inline
 
   #define PNG_ARM_NEON_OPT 0
 
@@ -281,7 +281,7 @@ namespace pnglibNamespace
   #endif
 
   #if ! defined (PNG_USER_HEIGHT_MAX)
-    #define PNG_USER_HEIGHT_MAX 1000000
+   #define PNG_USER_HEIGHT_MAX 1000000
   #endif
 
   #define png_debug(a, b)