diff --git a/include/Wellspring.h b/include/Wellspring.h
index 8b12ff7..960a8d4 100644
--- a/include/Wellspring.h
+++ b/include/Wellspring.h
@@ -67,7 +67,7 @@ typedef struct Wellspring_TextBatch Wellspring_TextBatch;
 
 typedef struct Wellspring_FontRange
 {
-	uint32_t fontSize;
+	float fontSize;
 	uint32_t firstCodepoint;
 	uint32_t numChars;
 	uint8_t oversampleH;
diff --git a/src/Wellspring.c b/src/Wellspring.c
index 1e16127..0c16de5 100644
--- a/src/Wellspring.c
+++ b/src/Wellspring.c
@@ -241,7 +241,7 @@ uint32_t Wellspring_PackFontRanges(
 	for (i = 0; i < numRanges; i += 1)
 	{
 		currentFontRange = &ranges[i];
-		stbPackRanges[i].font_size = (float) currentFontRange->fontSize;
+		stbPackRanges[i].font_size = currentFontRange->fontSize;
 		stbPackRanges[i].first_unicode_codepoint_in_range = currentFontRange->firstCodepoint;
 		stbPackRanges[i].array_of_unicode_codepoints = NULL;
 		stbPackRanges[i].num_chars = currentFontRange->numChars;