diff --git a/minui/resources.c b/minui/resources.c
index c0a9cca..39f83c7 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -33,7 +33,11 @@
 
 #include "minui.h"
 
+#ifdef FASTMMI_FEATURE
+char *locale = NULL;
+#else
 extern char* locale;
+#endif
 
 // libpng gives "undefined reference to 'pow'" errors, and I have no
 // idea how to convince the build system to link with -lm.  We don't
@@ -93,13 +97,9 @@
     png_set_sig_bytes(png_ptr, sizeof(header));
     png_read_info(png_ptr, info_ptr);
 
-    int color_type, bit_depth;
-    size_t width, height;
-    png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth,
-            &color_type, NULL, NULL, NULL);
-
-    int channels = png_get_channels(png_ptr, info_ptr);
-
+    int color_type = info_ptr->color_type;
+    int bit_depth = info_ptr->bit_depth;
+    int channels = info_ptr->channels;
     if (!(bit_depth == 8 &&
           ((channels == 3 && color_type == PNG_COLOR_TYPE_RGB) ||
            (channels == 4 && color_type == PNG_COLOR_TYPE_RGBA) ||
@@ -109,6 +109,8 @@
         goto exit;
     }
 
+    size_t width = info_ptr->width;
+    size_t height = info_ptr->height;
     size_t stride = (color_type == PNG_COLOR_TYPE_GRAY ? 1 : 4) * width;
     size_t pixelSize = stride * height;
 
@@ -248,11 +250,13 @@
     png_set_sig_bytes(png_ptr, sizeof(header));
     png_read_info(png_ptr, info_ptr);
 
-    int color_type, bit_depth;
-    size_t width, height;
-    png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth,
-            &color_type, NULL, NULL, NULL);
-    int channels = png_get_channels(png_ptr, info_ptr);
+    size_t width = info_ptr->width;
+    size_t height = info_ptr->height;
+    size_t stride = 4 * width;
+
+    int color_type = info_ptr->color_type;
+    int bit_depth = info_ptr->bit_depth;
+    int channels = info_ptr->channels;
 
     if (!(bit_depth == 8 &&
           (channels == 1 && color_type == PNG_COLOR_TYPE_GRAY))) {