diff --git a/src/libFLAC/ia32/cpu_asm.nasm b/src/libFLAC/ia32/cpu_asm.nasm
index ff920903..f5eb1102 100644
--- a/src/libFLAC/ia32/cpu_asm.nasm
+++ b/src/libFLAC/ia32/cpu_asm.nasm
@@ -1,3 +1,5 @@
+;  vim:filetype=nasm ts=8
+
 ;  libFLAC - Free Lossless Audio Codec library
 ;  Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
 ;
diff --git a/src/libFLAC/ia32/fixed_asm.nasm b/src/libFLAC/ia32/fixed_asm.nasm
index b48d5973..0185f4d8 100644
--- a/src/libFLAC/ia32/fixed_asm.nasm
+++ b/src/libFLAC/ia32/fixed_asm.nasm
@@ -1,3 +1,5 @@
+;  vim:filetype=nasm ts=8
+
 ;  libFLAC - Free Lossless Audio Codec library
 ;  Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
 ;
diff --git a/src/libFLAC/ia32/lpc_asm.nasm b/src/libFLAC/ia32/lpc_asm.nasm
index 8e8810b5..4bc4c913 100644
--- a/src/libFLAC/ia32/lpc_asm.nasm
+++ b/src/libFLAC/ia32/lpc_asm.nasm
@@ -1,3 +1,5 @@
+;  vim:filetype=nasm ts=8
+
 ;  libFLAC - Free Lossless Audio Codec library
 ;  Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
 ;