diff --git a/modules/ILL/ILL.moon b/modules/ILL/ILL.moon
index 566d4a0..b4c3536 100644
--- a/modules/ILL/ILL.moon
+++ b/modules/ILL/ILL.moon
@@ -1,4 +1,4 @@
-module_version = "1.5.3"
+module_version = "1.5.4"
 
 haveDepCtrl, DependencyControl = pcall require, "l0.DependencyControl"
 
diff --git a/modules/ILL/ILL/Font/Font.moon b/modules/ILL/ILL/Font/Font.moon
index a24beec..2b49147 100644
--- a/modules/ILL/ILL/Font/Font.moon
+++ b/modules/ILL/ILL/Font/Font.moon
@@ -19,6 +19,7 @@
 -- THE SOFTWARE.
 
 -- Font scale values for increased size & later downscaling to produce floating point coordinates
+export FONT_LF_FACESIZE = 32
 export FONT_UPSCALE = 64
 export FONT_DOWNSCALE = 1 / FONT_UPSCALE
 export IS_UNIX = jit.os != "Windows"
diff --git a/modules/ILL/ILL/Font/Win.moon b/modules/ILL/ILL/Font/Win.moon
index 9c44f96..4f50940 100644
--- a/modules/ILL/ILL/Font/Win.moon
+++ b/modules/ILL/ILL/Font/Win.moon
@@ -181,7 +181,7 @@ class WindowsGDI extends Init
 
 		-- Fix family length
 		lfFaceName = ffi.new "WCHAR[?]", FONT_LF_FACESIZE
-		familyLen = C.wcslen family
+		familyLen = tonumber C.wcslen family
 		if familyLen >= FONT_LF_FACESIZE
 			ffi.copy lfFaceName, family, (FONT_LF_FACESIZE-1) * ffi.sizeof "WCHAR"
 		else