Index: source/blender/imbuf/intern/tiff.c
===================================================================
--- source/blender/imbuf/intern/tiff.c	(revision 46364)
+++ source/blender/imbuf/intern/tiff.c	(working copy)
@@ -464,7 +464,7 @@
 		_TIFFfree(sbuf);
 
 	if (success) {
-		ibuf->profile = (bitspersample==32)?IB_PROFILE_LINEAR_RGB:IB_PROFILE_SRGB;
+		ibuf->profile = (bitspersample>=16)?IB_PROFILE_LINEAR_RGB:IB_PROFILE_SRGB;
 
 //		Code seems to be not needed for 16 bits tif, on PPC G5 OSX (ton)
 		if (bitspersample < 16)