diff --git a/compiler/filetype.go b/compiler/filetype.go
index 040ea7b..5348f4e 100644
--- a/compiler/filetype.go
+++ b/compiler/filetype.go
@@ -10,51 +10,56 @@ type Filetype int; const (
 	FiletypeLibrary
 	FiletypeAssembly
 	FiletypeIR
+	FiletypeExecutable
 )
 
 // FiletypeFromString returns a filetype based on the given name.
 func FiletypeFromString (ext string) (Filetype, bool) {
 	switch ext {
-	case "":    return FiletypeUnknown,  true
-	case "obj": return FiletypeObject,   true
-	case "lib": return FiletypeLibrary,  true
-	case "asm": return FiletypeAssembly, true
-	case "ir":  return FiletypeIR,       true
-	default:    return FiletypeUnknown,  false
+	case "":    return FiletypeUnknown,    true
+	case "obj": return FiletypeObject,     true
+	case "lib": return FiletypeLibrary,    true
+	case "asm": return FiletypeAssembly,   true
+	case "ir":  return FiletypeIR,         true
+	case "exe": return FiletypeExecutable, true
+	default:    return FiletypeUnknown,    false
 	}
 }
 
 // FiletypeFromExt returns a filetype based on the given filename extension.
 func FiletypeFromExt (target generator.Target, ext string) (Filetype, bool) {
 	switch ext {
-	case ".o":                return FiletypeObject,   true
-	case targetSoExt(target): return FiletypeLibrary,  true
-	case ".s":                return FiletypeAssembly, true
-	case ".ll":               return FiletypeIR,       true
-	default:                  return FiletypeUnknown,  false
+	case ".o":                 return FiletypeObject,     true
+	case targetSoExt(target):  return FiletypeLibrary,    true
+	case ".s":                 return FiletypeAssembly,   true
+	case ".ll":                return FiletypeIR,         true
+	case targetExeExt(target): return FiletypeExecutable, true
+	default:                   return FiletypeUnknown,    false
 	}
 }
 
 // String returns a string representation of the filetype.
 func (filetype Filetype) String () string {
 	switch filetype {
-	case FiletypeUnknown:  return ""
-	case FiletypeObject:   return "obj"
-	case FiletypeLibrary:  return "lib"
-	case FiletypeAssembly: return "asm"
-	case FiletypeIR:       return "ir"
-	default:               return fmt.Sprintf("Filetype(%d)", filetype)
+	case FiletypeUnknown:    return ""
+	case FiletypeObject:     return "obj"
+	case FiletypeLibrary:    return "lib"
+	case FiletypeAssembly:   return "asm"
+	case FiletypeIR:         return "ir"
+	case FiletypeExecutable: return "exe"
+	default:                 return fmt.Sprintf("Filetype(%d)", filetype)
 	}
 }
 
 // Ext returns the standard filename extension of the filetype.
 func (filetype Filetype) Ext (target generator.Target) string {
 	switch filetype {
-	case FiletypeUnknown:  return ""
-	case FiletypeObject:   return ".o"
-	case FiletypeLibrary:  return targetSoExt(target)
-	case FiletypeAssembly: return ".s"
-	case FiletypeIR:       return ".ll"
+	case FiletypeUnknown:    return ""
+	case FiletypeObject:     return ".o"
+	case FiletypeLibrary:    return targetSoExt(target)
+	case FiletypeAssembly:   return ".s"
+	case FiletypeIR:         return ".ll"
+	case FiletypeExecutable: return targetExeExt(target)
 	default:               return ""
 	}
 }
@@ -71,3 +76,11 @@ func targetSoExt (target generator.Target) string {
 	default:        return ".so"
 	}
 }
+
+func targetExeExt (target generator.Target) string {
+	// TODO: more research is required here
+	switch target.OS {
+	case "windows": return ".exe"
+	default:        return ""
+	}
+}