diff --git a/ChangeLog b/ChangeLog
index 344903d4..d3177013 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+22/1/14 started 7.38.2
+- auto RAD decode for affine
+
 19/1/14 started 7.38.1
 - bump soname, thanks benjamin
 - better conversion to and from scrgb/xyz for rad (hdr) 
diff --git a/configure.ac b/configure.ac
index e314ed56..0850b6bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 
 # also update the version number in the m4 macros below
 
-AC_INIT([vips], [7.38.1], [vipsip@jiscmail.ac.uk])
+AC_INIT([vips], [7.38.2], [vipsip@jiscmail.ac.uk])
 # required for gobject-introspection
 AC_PREREQ(2.62)
 
@@ -17,7 +17,7 @@ AC_CONFIG_MACRO_DIR([m4])
 # user-visible library versioning
 m4_define([vips_major_version], [7])
 m4_define([vips_minor_version], [38])
-m4_define([vips_micro_version], [1])
+m4_define([vips_micro_version], [2])
 m4_define([vips_version],
           [vips_major_version.vips_minor_version.vips_micro_version])
 
@@ -37,7 +37,7 @@ VIPS_VERSION_STRING=$VIPS_VERSION-`date`
 #   binary interface changes not backwards compatible?: reset age to 0
 
 LIBRARY_CURRENT=37
-LIBRARY_REVISION=0
+LIBRARY_REVISION=1
 LIBRARY_AGE=0
 
 # patched into include/vips/version.h
diff --git a/libvips/resample/affine.c b/libvips/resample/affine.c
index a8988f3e..44d15b60 100644
--- a/libvips/resample/affine.c
+++ b/libvips/resample/affine.c
@@ -79,6 +79,8 @@
  * 14/12/12
  * 	- redone as a class
  * 	- added input space translation
+ * 22/1/14
+ * 	- auto RAD decode
  */
 
 /*
@@ -392,7 +394,7 @@ vips_affine_build( VipsObject *object )
 	if( VIPS_OBJECT_CLASS( vips_affine_parent_class )->build( object ) )
 		return( -1 );
 
-	if( vips_check_coding_noneorlabq( class->nickname, resample->in ) )
+	if( vips_check_coding_known( class->nickname, resample->in ) )
 		return( -1 );
 	if( vips_check_vector_length( class->nickname, 
 		affine->matrix->n, 4 ) )
@@ -463,23 +465,28 @@ vips_affine_build( VipsObject *object )
 		return( -1 );
 	}
 
-	/* Unpack labq for processing.
+	/* Unpack for processing.
 	 */
 	if( in->Coding == VIPS_CODING_LABQ ) {
 		if( vips_LabQ2LabS( in, &t[0], NULL ) )
 			return( -1 );
 		in = t[0];
+	} 
+	else if( in->Coding == VIPS_CODING_RAD ) {
+		if( vips_rad2float( in, &t[1], NULL ) )
+			return( -1 );
+		in = t[1];
 	}
 
 	/* Add new pixels around the input so we can interpolate at the edges.
 	 */
-	if( vips_embed( in, &t[1], 
+	if( vips_embed( in, &t[2], 
 		window_offset, window_offset, 
 		in->Xsize + window_size, in->Ysize + window_size,
 		"extend", VIPS_EXTEND_COPY,
 		NULL ) )
 		return( -1 );
-	in = t[1];
+	in = t[2];
 
 	/* Normally SMALLTILE ... except if this is a size up/down affine.
 	 */