diff --git a/luna/include/luna/Bitmap.h b/luna/include/luna/Bitmap.h
index 463c88e5..b7464e14 100644
--- a/luna/include/luna/Bitmap.h
+++ b/luna/include/luna/Bitmap.h
@@ -38,6 +38,11 @@ class Bitmap
     void clear_region(usize start, usize bits, bool value);
 
   private:
+    u8 value_byte(bool b)
+    {
+        return b ? 0xff : 0;
+    }
+
     char* m_location = nullptr;
     usize m_size_in_bytes = 0;
 };
\ No newline at end of file
diff --git a/luna/src/Bitmap.cpp b/luna/src/Bitmap.cpp
index f7b91156..05566e3b 100644
--- a/luna/src/Bitmap.cpp
+++ b/luna/src/Bitmap.cpp
@@ -54,8 +54,7 @@ bool Bitmap::get(usize index) const
 void Bitmap::clear(bool value)
 {
     expect(initialized(), "Bitmap was never initialized");
-    u8 value_byte = value ? 0xff : 0;
-    memset(m_location, value_byte, m_size_in_bytes);
+    memset(m_location, value_byte(value), m_size_in_bytes);
 }
 
 void Bitmap::clear_region(usize start, usize bits, bool value)
@@ -63,8 +62,6 @@ void Bitmap::clear_region(usize start, usize bits, bool value)
     expect(initialized(), "Bitmap was never initialized");
     expect((start + bits) <= size(), "Bitmap clear out of range");
 
-    u8 value_byte = value ? 0xff : 0;
-
     // Set individual bits while not on a byte boundary.
     while ((start % 8) && bits--)
     {
@@ -75,7 +72,7 @@ void Bitmap::clear_region(usize start, usize bits, bool value)
     // Clear out the rest in bytes.
     usize bytes = bits / 8;
 
-    memset(&m_location[start / 8], value_byte, bytes);
+    memset(&m_location[start / 8], value_byte(value), bytes);
     start += bytes * 8;
     bits -= bytes * 8;