diff --git a/projects/langs.vcproj b/projects/langs.vcproj
index b863ecac64..bdc8d380ca 100644
--- a/projects/langs.vcproj
+++ b/projects/langs.vcproj
@@ -51,19 +51,6 @@
 					Outputs="..\bin\lang\afrikaans.lng"/>
 			</FileConfiguration>
 		</File>
-		<File
-			RelativePath="..\src\lang\american.txt">
-			<FileConfiguration
-				Name="Debug|Win32">
-				<Tool
-					Name="VCCustomBuildTool"
-					Description="Generating american language file"
-					CommandLine="..\objs\strgen\strgen.exe -s ..\src\lang -d ..\bin\lang &quot;$(InputPath)&quot;
-"
-					AdditionalDependencies=""
-					Outputs="..\bin\lang\american.lng"/>
-			</FileConfiguration>
-		</File>
 		<File
 			RelativePath="..\src\lang\brazilian_portuguese.txt">
 			<FileConfiguration
@@ -168,6 +155,19 @@
 					Outputs="..\bin\lang\english.lng"/>
 			</FileConfiguration>
 		</File>
+		<File
+			RelativePath="..\src\lang\english_US.txt">
+			<FileConfiguration
+				Name="Debug|Win32">
+				<Tool
+					Name="VCCustomBuildTool"
+					Description="Generating english_US language file"
+					CommandLine="..\objs\strgen\strgen.exe -s ..\src\lang -d ..\bin\lang &quot;$(InputPath)&quot;
+"
+					AdditionalDependencies=""
+					Outputs="..\bin\lang\english_US.lng"/>
+			</FileConfiguration>
+		</File>
 		<File
 			RelativePath="..\src\lang\esperanto.txt">
 			<FileConfiguration
diff --git a/projects/langs_vs80.vcproj b/projects/langs_vs80.vcproj
index 6af0ebb016..eadd5c9cfd 100644
--- a/projects/langs_vs80.vcproj
+++ b/projects/langs_vs80.vcproj
@@ -61,21 +61,6 @@
 				/>
 			</FileConfiguration>
 		</File>
-		<File
-			RelativePath="..\src\lang\american.txt"
-			>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCustomBuildTool"
-					Description="Generating american language file"
-					CommandLine="..\objs\strgen\strgen.exe -s ..\src\lang -d ..\bin\lang &quot;$(InputPath)&quot;&#x0D;&#x0A;"
-					AdditionalDependencies=""
-					Outputs="..\bin\lang\american.lng"
-				/>
-			</FileConfiguration>
-		</File>
 		<File
 			RelativePath="..\src\lang\brazilian_portuguese.txt"
 			>
@@ -196,6 +181,21 @@
 				/>
 			</FileConfiguration>
 		</File>
+		<File
+			RelativePath="..\src\lang\english_US.txt"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					Description="Generating english_US language file"
+					CommandLine="..\objs\strgen\strgen.exe -s ..\src\lang -d ..\bin\lang &quot;$(InputPath)&quot;&#x0D;&#x0A;"
+					AdditionalDependencies=""
+					Outputs="..\bin\lang\english_US.lng"
+				/>
+			</FileConfiguration>
+		</File>
 		<File
 			RelativePath="..\src\lang\esperanto.txt"
 			>
diff --git a/projects/langs_vs90.vcproj b/projects/langs_vs90.vcproj
index 2da044c3d3..0a98ba2c85 100644
--- a/projects/langs_vs90.vcproj
+++ b/projects/langs_vs90.vcproj
@@ -62,21 +62,6 @@
 				/>
 			</FileConfiguration>
 		</File>
-		<File
-			RelativePath="..\src\lang\american.txt"
-			>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCustomBuildTool"
-					Description="Generating american language file"
-					CommandLine="..\objs\strgen\strgen.exe -s ..\src\lang -d ..\bin\lang &quot;$(InputPath)&quot;&#x0D;&#x0A;"
-					AdditionalDependencies=""
-					Outputs="..\bin\lang\american.lng"
-				/>
-			</FileConfiguration>
-		</File>
 		<File
 			RelativePath="..\src\lang\brazilian_portuguese.txt"
 			>
@@ -197,6 +182,21 @@
 				/>
 			</FileConfiguration>
 		</File>
+		<File
+			RelativePath="..\src\lang\english_US.txt"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCustomBuildTool"
+					Description="Generating english_US language file"
+					CommandLine="..\objs\strgen\strgen.exe -s ..\src\lang -d ..\bin\lang &quot;$(InputPath)&quot;&#x0D;&#x0A;"
+					AdditionalDependencies=""
+					Outputs="..\bin\lang\english_US.lng"
+				/>
+			</FileConfiguration>
+		</File>
 		<File
 			RelativePath="..\src\lang\esperanto.txt"
 			>