diff --git a/src/libFLAC/libFLAC_dynamic.dsp b/src/libFLAC/libFLAC_dynamic.dsp
index 97de0e0e..924164c1 100644
--- a/src/libFLAC/libFLAC_dynamic.dsp
+++ b/src/libFLAC/libFLAC_dynamic.dsp
@@ -95,6 +95,35 @@ LINK32=link.exe
 # PROP Default_Filter ""
 # Begin Source File
 
+SOURCE=.\ia32\bitreader_asm.nasm
+
+!IF  "$(CFG)" == "libFLAC_dynamic - Win32 Release"
+
+USERDEP__CPU_A="ia32/bitreader_asm.nasm"	
+# Begin Custom Build
+InputPath=.\ia32\bitreader_asm.nasm
+
+"ia32/bitreader_asm.obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+	nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj
+
+# End Custom Build
+
+!ELSEIF  "$(CFG)" == "libFLAC_dynamic - Win32 Debug"
+
+USERDEP__CPU_A="ia32/bitreader_asm.nasm"	
+# Begin Custom Build
+InputPath=.\ia32\bitreader_asm.nasm
+
+"ia32/bitreader_asm.obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+	nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj
+
+# End Custom Build
+
+!ENDIF 
+
+# End Source File
+# Begin Source File
+
 SOURCE=.\ia32\cpu_asm.nasm
 
 !IF  "$(CFG)" == "libFLAC_dynamic - Win32 Release"
diff --git a/src/libFLAC/libFLAC_dynamic.vcproj b/src/libFLAC/libFLAC_dynamic.vcproj
index 45b475f5..0fa150cc 100644
--- a/src/libFLAC/libFLAC_dynamic.vcproj
+++ b/src/libFLAC/libFLAC_dynamic.vcproj
@@ -406,6 +406,30 @@
 			RelativePath=".\release_static\BuildLog.htm"
 			>
 		</File>
+		<File
+			RelativePath=".\ia32\bitreader_asm.nasm"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/bitreader_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/bitreader_asm.obj"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/bitreader_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/bitreader_asm.obj"
+				/>
+			</FileConfiguration>
+		</File>
 		<File
 			RelativePath=".\ia32\cpu_asm.nasm"
 			>
diff --git a/src/libFLAC/libFLAC_static.dsp b/src/libFLAC/libFLAC_static.dsp
index c3ca405b..a71dad5b 100644
--- a/src/libFLAC/libFLAC_static.dsp
+++ b/src/libFLAC/libFLAC_static.dsp
@@ -88,6 +88,35 @@ LIB32=link.exe -lib
 # PROP Default_Filter ""
 # Begin Source File
 
+SOURCE=.\ia32\bitreader_asm.nasm
+
+!IF  "$(CFG)" == "libFLAC_static - Win32 Release"
+
+USERDEP__CPU_A="ia32/bitreader_asm.nasm"	
+# Begin Custom Build
+InputPath=.\ia32\bitreader_asm.nasm
+
+"ia32/bitreader_asm.obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+	nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj
+
+# End Custom Build
+
+!ELSEIF  "$(CFG)" == "libFLAC_static - Win32 Debug"
+
+USERDEP__CPU_A="ia32/bitreader_asm.nasm"	
+# Begin Custom Build
+InputPath=.\ia32\bitreader_asm.nasm
+
+"ia32/bitreader_asm.obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+	nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj
+
+# End Custom Build
+
+!ENDIF 
+
+# End Source File
+# Begin Source File
+
 SOURCE=.\ia32\cpu_asm.nasm
 
 !IF  "$(CFG)" == "libFLAC_static - Win32 Release"
diff --git a/src/libFLAC/libFLAC_static.vcproj b/src/libFLAC/libFLAC_static.vcproj
index c3078883..07712dc6 100644
--- a/src/libFLAC/libFLAC_static.vcproj
+++ b/src/libFLAC/libFLAC_static.vcproj
@@ -372,6 +372,30 @@
 				>
 			</File>
 		</Filter>
+		<File
+			RelativePath=".\ia32\bitreader_asm.nasm"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/bitreader_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/bitreader_asm.obj"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/bitreader_asm.nasm -o ia32/bitreader_asm.obj&#x0D;&#x0A;"
+					AdditionalDependencies="ia32/bitreader_asm.nasm;ia32/nasm.h"
+					Outputs="ia32/bitreader_asm.obj"
+				/>
+			</FileConfiguration>
+		</File>
 		<File
 			RelativePath=".\ia32\cpu_asm.nasm"
 			>