diff --git a/tests/data/subtitle_with_attached_fonts_pysubs2_ref.ass b/tests/data/subtitle_with_attached_fonts_pysubs2_ref.ass
index 0d9665c..e4c798a 100644
--- a/tests/data/subtitle_with_attached_fonts_pysubs2_ref.ass
+++ b/tests/data/subtitle_with_attached_fonts_pysubs2_ref.ass
@@ -11,7 +11,7 @@ PlayResY: 0
 
 [V4+ Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
-Style: Default,Arial,20.0,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100.0,100.0,0.0,0.0,1,2.0,2.0,2,10,10,10,1
+Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
 
 [Fonts]
 fontname: EBGaramond08-Italic_0.ttf
diff --git a/tests/data/subtitle_with_attached_images_pysubs2_ref.ass b/tests/data/subtitle_with_attached_images_pysubs2_ref.ass
index cd18dfb..4589fb8 100644
--- a/tests/data/subtitle_with_attached_images_pysubs2_ref.ass
+++ b/tests/data/subtitle_with_attached_images_pysubs2_ref.ass
@@ -9,7 +9,7 @@ YCbCr Matrix: None
 
 [V4+ Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
-Style: Default,Arial,48.0,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100.0,100.0,0.0,0.0,1,2.0,2.0,2,10,10,10,1
+Style: Default,Arial,48,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
 
 [Graphics]
 filename: github.jpg
diff --git a/tests/formats/test_substation.py b/tests/formats/test_substation.py
index 9417591..bece117 100644
--- a/tests/formats/test_substation.py
+++ b/tests/formats/test_substation.py
@@ -21,9 +21,9 @@
 
 [V4+ Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
-Style: Default,Arial,20.0,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100.0,100.0,0.0,0.0,1,2.0,2.0,2,10,10,10,1
-Style: topleft,Arial,20.0,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,-1,0,0,0,100.0,100.0,0.0,0.0,1,2.0,2.0,7,10,10,10,1
-Style: left,Arial,20.0,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100.0,100.0,0.0,0.0,1,2.0,2.0,4,10,10,10,1
+Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
+Style: topleft,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,2,2,7,10,10,10,1
+Style: left,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,4,10,10,10,1
 
 [Events]
 Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
@@ -44,9 +44,9 @@
 
 [V4 Styles]
 Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding
-Style: Default,Arial,20.0,16777215,255,0,0,0,0,1,2.0,2.0,2,10,10,10,0,1
-Style: topleft,Arial,20.0,16777215,255,0,0,-1,0,1,2.0,2.0,5,10,10,10,0,1
-Style: left,Arial,20.0,16777215,255,0,0,0,0,1,2.0,2.0,9,10,10,10,0,1
+Style: Default,Arial,20,16777215,255,0,0,0,0,1,2,2,2,10,10,10,0,1
+Style: topleft,Arial,20,16777215,255,0,0,-1,0,1,2,2,5,10,10,10,0,1
+Style: left,Arial,20,16777215,255,0,0,0,0,1,2,2,9,10,10,10,0,1
 
 [Events]
 Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text