diff --git a/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.cpp b/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.cpp
index 6157144faec..520ce650e47 100644
--- a/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.cpp
+++ b/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.cpp
@@ -1400,7 +1400,7 @@ Optional<CalculatedStyleValue::CalculationResult> SignCalculationNode::run_opera
         sign = 1;
     } else {
         FloatExtractor<double> const extractor { .d = child_value->value() };
-        sign = extractor.sign ? -0 : 0;
+        sign = extractor.sign ? -0.0 : 0.0;
     }
 
     return CalculatedStyleValue::CalculationResult { sign, CSSNumericType {}.made_consistent_with(child_value->type().value()) };
diff --git a/Tests/LibWeb/Text/expected/wpt-import/css/css-values/signs-abs-computed.txt b/Tests/LibWeb/Text/expected/wpt-import/css/css-values/signs-abs-computed.txt
index f85e97f026b..6327d242d9b 100644
--- a/Tests/LibWeb/Text/expected/wpt-import/css/css-values/signs-abs-computed.txt
+++ b/Tests/LibWeb/Text/expected/wpt-import/css/css-values/signs-abs-computed.txt
@@ -2,8 +2,8 @@ Harness status: OK
 
 Found 233 tests
 
-174 Pass
-59 Fail
+181 Pass
+52 Fail
 Pass	abs(1) should be used-value-equivalent to 1
 Pass	sign(1) should be used-value-equivalent to 1
 Pass	abs(-1) should be used-value-equivalent to 1
@@ -26,7 +26,7 @@ Pass	abs(-10px) should be used-value-equivalent to 10px
 Pass	abs(-10%) should be used-value-equivalent to 10px
 Pass	calc((1em + 1px) * (sign(1em - 10px - 10%) + 1)) should be used-value-equivalent to 21px
 Pass	calc(calc(sign(-0))) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(calc(sign(-0)))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(calc(sign(-0)))), 1) should be used-value-equivalent to -1
 Pass	calc(calc(sign(0))) should be used-value-equivalent to 0
 Pass	clamp(-1, calc( 1 / sign(calc(sign(0)))), 1) should be used-value-equivalent to 1
 Pass	abs(infinity) should be used-value-equivalent to calc(infinity)
@@ -146,9 +146,9 @@ Pass	clamp(-1, calc( 1 / sign(sign(0s))), 1) should be used-value-equivalent to
 Pass	calc(sign(0ms)) should be used-value-equivalent to 0
 Pass	clamp(-1, calc( 1 / sign(sign(0ms))), 1) should be used-value-equivalent to 1
 Pass	calc(sign(-0s)) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(sign(-0s))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(sign(-0s))), 1) should be used-value-equivalent to -1
 Pass	calc(sign(-0ms)) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(sign(-0ms))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(sign(-0ms))), 1) should be used-value-equivalent to -1
 Pass	calc(sign(0deg)) should be used-value-equivalent to 0
 Pass	clamp(-1, calc( 1 / sign(sign(0deg))), 1) should be used-value-equivalent to 1
 Pass	calc(sign(0grad)) should be used-value-equivalent to 0
@@ -158,13 +158,13 @@ Pass	clamp(-1, calc( 1 / sign(sign(0rad))), 1) should be used-value-equivalent t
 Pass	calc(sign(0turn)) should be used-value-equivalent to 0
 Pass	clamp(-1, calc( 1 / sign(sign(0turn))), 1) should be used-value-equivalent to 1
 Pass	calc(sign(-0deg)) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(sign(-0deg))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(sign(-0deg))), 1) should be used-value-equivalent to -1
 Pass	calc(sign(-0grad)) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(sign(-0grad))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(sign(-0grad))), 1) should be used-value-equivalent to -1
 Pass	calc(sign(-0rad)) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(sign(-0rad))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(sign(-0rad))), 1) should be used-value-equivalent to -1
 Pass	calc(sign(-0turn)) should be used-value-equivalent to 0
-Fail	clamp(-1, calc( 1 / sign(sign(-0turn))), 1) should be used-value-equivalent to -1
+Pass	clamp(-1, calc( 1 / sign(sign(-0turn))), 1) should be used-value-equivalent to -1
 Pass	abs(1px) should be used-value-equivalent to 1px
 Pass	abs(1cm) should be used-value-equivalent to 1cm
 Pass	abs(1mm) should be used-value-equivalent to 1mm