diff --git a/src/constants_unix.go b/src/constants_unix.go
new file mode 100644
index 00000000..ab291ea6
--- /dev/null
+++ b/src/constants_unix.go
@@ -0,0 +1,7 @@
+// +build !windows
+
+package main
+
+const (
+	dotnetExitCode = 142
+)
diff --git a/src/constants_windows64.go b/src/constants_windows64.go
new file mode 100644
index 00000000..ba451e1f
--- /dev/null
+++ b/src/constants_windows64.go
@@ -0,0 +1,8 @@
+// +build windows
+// +build amd64
+
+package main
+
+const (
+	dotnetExitCode = int(0x80008091)
+)
diff --git a/src/constrants_windows386.go b/src/constrants_windows386.go
new file mode 100644
index 00000000..04c8c680
--- /dev/null
+++ b/src/constrants_windows386.go
@@ -0,0 +1,8 @@
+// +build windows
+// +build 386
+
+package main
+
+const (
+	dotnetExitCode = -2147450735
+)
diff --git a/src/segment_dotnet.go b/src/segment_dotnet.go
index ac8d3891..55a6ad3f 100644
--- a/src/segment_dotnet.go
+++ b/src/segment_dotnet.go
@@ -8,19 +8,13 @@ const (
 	// UnsupportedDotnetVersionIcon is displayed when the dotnet version in
 	// the current folder isn't supported by the installed dotnet SDK set.
 	UnsupportedDotnetVersionIcon Property = "unsupported_version_icon"
-
-	dotnetExitCodeUnix    = 145
-	dotnetExitCodeWindows = -2147450735
 )
 
 func (d *dotnet) string() string {
 	version := d.language.string()
 
-	// Exit codes 145 and 0x80008091 are special indicators that dotnet
-	// ran, but the current project config settings specify
-	// use of an SDK that isn't installed.
 	exitCode := d.language.exitCode
-	if exitCode == dotnetExitCodeWindows || exitCode == dotnetExitCodeUnix {
+	if exitCode == dotnetExitCode {
 		return d.language.props.getString(UnsupportedDotnetVersionIcon, "\uf071 ")
 	}
 
diff --git a/src/segment_dotnet_test.go b/src/segment_dotnet_test.go
index e13140f6..e9985707 100644
--- a/src/segment_dotnet_test.go
+++ b/src/segment_dotnet_test.go
@@ -71,24 +71,10 @@ func TestDotnetVersionDisplayed(t *testing.T) {
 }
 
 func TestDotnetVersionUnsupported(t *testing.T) {
-	expected := "x"
 	args := &dotnetArgs{
 		enabled:         true,
 		displayVersion:  true,
-		exitCode:        dotnetExitCodeUnix,
-		unsupportedIcon: expected,
-	}
-	dotnet := bootStrapDotnetTest(args)
-	assert.True(t, dotnet.enabled())
-	assert.Equal(t, expected, dotnet.string())
-}
-
-func TestDotnetVersionUnsupportedWindows(t *testing.T) {
-	expected := "x"
-	args := &dotnetArgs{
-		enabled:         true,
-		displayVersion:  true,
-		exitCode:        dotnetExitCodeWindows,
+		exitCode:        dotnetExitCode,
 		unsupportedIcon: expected,
 	}
 	dotnet := bootStrapDotnetTest(args)