diff --git a/PIL/PyAccess.py b/PIL/PyAccess.py
index 8b67a8ea2..2ae881a58 100644
--- a/PIL/PyAccess.py
+++ b/PIL/PyAccess.py
@@ -289,6 +289,7 @@ mode_map = {'1': _PyAccess8,
             'YCbCr': _PyAccess32_3,
             'RGBA': _PyAccess32_4,
             'RGBa': _PyAccess32_4,
+            'BGRa': _PyAccess32_4,
             'RGBX': _PyAccess32_4,
             'CMYK': _PyAccess32_4,
             'F': _PyAccessF,
diff --git a/Tests/make_hash.py b/Tests/make_hash.py
index 6d700addf..6581e0217 100644
--- a/Tests/make_hash.py
+++ b/Tests/make_hash.py
@@ -8,7 +8,7 @@ modes = [
     "I", "I;16", "I;16L", "I;16B", "I;32L", "I;32B",
     "F",
     "P", "PA",
-    "RGB", "RGBA", "RGBa", "RGBX",
+    "RGB", "RGBA", "RGBa", "RGBX", "BGRa",
     "CMYK",
     "YCbCr",
     "LAB", "HSV",
diff --git a/libImaging/Access.c b/libImaging/Access.c
index 059f2aaeb..0a1413358 100644
--- a/libImaging/Access.c
+++ b/libImaging/Access.c
@@ -14,7 +14,7 @@
 
 /* use Tests/make_hash.py to calculate these values */
 #define ACCESS_TABLE_SIZE 27
-#define ACCESS_TABLE_HASH 3078
+#define ACCESS_TABLE_HASH 3154
 
 static struct ImagingAccessInstance access_table[ACCESS_TABLE_SIZE];
 
@@ -235,6 +235,7 @@ ImagingAccessInit()
     ADD("RGB", line_32, get_pixel_32, put_pixel_32);
     ADD("RGBA", line_32, get_pixel_32, put_pixel_32);
     ADD("RGBa", line_32, get_pixel_32, put_pixel_32);
+    ADD("BGRa", line_32, get_pixel_32, put_pixel_32);
     ADD("RGBX", line_32, get_pixel_32, put_pixel_32);
     ADD("CMYK", line_32, get_pixel_32, put_pixel_32);
     ADD("YCbCr", line_32, get_pixel_32, put_pixel_32);