diff --git a/src/common/settings.cpp b/src/common/settings.cpp
index 27caed4ae..50b73347f 100644
--- a/src/common/settings.cpp
+++ b/src/common/settings.cpp
@@ -65,6 +65,7 @@ SWITCHABLE(u16, true);
 SWITCHABLE(u32, false);
 SWITCHABLE(u8, false);
 SWITCHABLE(u8, true);
+SWITCHABLE(float, true);  // PROJECT PATHFINDER OPTIMIZATION: Support fractional scaling
 
 // Used in UISettings
 // TODO see if we can move this to uisettings.cpp
diff --git a/src/common/settings.h b/src/common/settings.h
index 122154499..608dbe045 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -88,6 +88,7 @@ SWITCHABLE(u16, true);
 SWITCHABLE(u32, false);
 SWITCHABLE(u8, false);
 SWITCHABLE(u8, true);
+SWITCHABLE(float, true);  // PROJECT PATHFINDER OPTIMIZATION: Support fractional scaling
 
 // Used in UISettings
 // TODO see if we can move this to uisettings.h