diff --git a/libretro-common/formats/png/rpng_decode.c b/libretro-common/formats/png/rpng_decode.c
index 5911a6403a..365995644a 100644
--- a/libretro-common/formats/png/rpng_decode.c
+++ b/libretro-common/formats/png/rpng_decode.c
@@ -644,5 +644,7 @@ bool rpng_load_image_argb_process_init(struct rpng_t *rpng,
       if (png_reverse_filter_init(&rpng->ihdr, &rpng->process) == -1)
          return false;
 
+   rpng->process.initialized = true;
+
    return true;
 }
diff --git a/libretro-common/formats/png/rpng_nbio.c b/libretro-common/formats/png/rpng_nbio.c
index 925bdefe6f..c27e82e981 100644
--- a/libretro-common/formats/png/rpng_nbio.c
+++ b/libretro-common/formats/png/rpng_nbio.c
@@ -196,9 +196,12 @@ bool rpng_nbio_load_image_argb_process(struct rpng_t *rpng,
 {
    int retval = 0;
 
-   if (!rpng_load_image_argb_process_init(rpng, data, width,
-            height))
-      return false;
+   if (!rpng->process.initialized)
+   {
+      if (!rpng_load_image_argb_process_init(rpng, data, width,
+               height))
+         return false;
+   }
 
    do{
       retval = png_reverse_filter_iterate(rpng, data);
diff --git a/libretro-common/include/formats/rpng.h b/libretro-common/include/formats/rpng.h
index ce88178344..08053a0e96 100644
--- a/libretro-common/include/formats/rpng.h
+++ b/libretro-common/include/formats/rpng.h
@@ -63,6 +63,7 @@ struct png_ihdr
 
 struct rpng_process_t
 {
+   bool initialized;
    bool adam7_pass_initialized;
    bool pass_initialized;
    uint32_t *data;