diff --git a/OpenRA.Mods.Common/Widgets/PerfGraphWidget.cs b/OpenRA.Mods.Common/Widgets/PerfGraphWidget.cs
index 4684b61f30..3acd02d84d 100644
--- a/OpenRA.Mods.Common/Widgets/PerfGraphWidget.cs
+++ b/OpenRA.Mods.Common/Widgets/PerfGraphWidget.cs
@@ -40,15 +40,21 @@ namespace OpenRA.Mods.Common.Widgets
 
 		int GetTextWidth(string text) => font.Measure(text).X;
 
+		// Try to keep the text at 6 characters long to align columns.
 		public void SixCharacterFormatFloat(StringBuilder output, double value)
 		{
-			// Try to keep the text at 6 characters long to align columns.
 			if (double.IsNaN(value))
 			{
 				output.Append("NaN   ");
 				return;
 			}
 
+			if (double.IsInfinity(value))
+			{
+				output.Append(double.IsPositiveInfinity(value) ? "+Inf  " : "-Inf  ");
+				return;
+			}
+
 			if (value < 0)
 			{
 				output.Append("<0    ");
diff --git a/OpenRA.Test/OpenRA.Mods.Common/PerfGraphWidgetTest.cs b/OpenRA.Test/OpenRA.Mods.Common/PerfGraphWidgetTest.cs
index 26352992c3..2260579863 100644
--- a/OpenRA.Test/OpenRA.Mods.Common/PerfGraphWidgetTest.cs
+++ b/OpenRA.Test/OpenRA.Mods.Common/PerfGraphWidgetTest.cs
@@ -34,6 +34,13 @@ namespace OpenRA.Test
 			AssertThat(double.NaN, "NaN   ");
 		}
 
+		[TestCase(TestName = "Infinities are reported with 2 padding spaces after.")]
+		public void Infinity()
+		{
+			AssertThat(double.PositiveInfinity, "+Inf  ");
+			AssertThat(double.NegativeInfinity, "-Inf  ");
+		}
+
 		[TestCase(TestName = "Negative numbers are discarded as \"<0\" with 4 padding spaces after.")]
 		public void Negative()
 		{