diff --git a/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp b/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
index 8f83441728d..3ff8e271f83 100644
--- a/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
+++ b/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
@@ -964,6 +964,11 @@ RefPtr<CSSStyleValue const> Parser::parse_resolution_value(TokenStream<Component
     if (tokens.next_token().is(Token::Type::Dimension)) {
         auto transaction = tokens.begin_transaction();
         auto& dimension_token = tokens.consume_a_token().token();
+        // The allowed range of <resolution> values always excludes negative values, in addition to any explicit
+        // ranges that might be specified.
+        // https://drafts.csswg.org/css-values-4/#resolution
+        if (dimension_token.dimension_value() < 0)
+            return nullptr;
         if (auto resolution_type = Resolution::unit_from_name(dimension_token.dimension_unit()); resolution_type.has_value()) {
             transaction.commit();
             return ResolutionStyleValue::create(Resolution { (dimension_token.dimension_value()), resolution_type.release_value() });
diff --git a/Tests/LibWeb/Text/expected/wpt-import/css/mediaqueries/test_media_queries.txt b/Tests/LibWeb/Text/expected/wpt-import/css/mediaqueries/test_media_queries.txt
index 913dbcdd7ce..8a4cefccaf7 100644
--- a/Tests/LibWeb/Text/expected/wpt-import/css/mediaqueries/test_media_queries.txt
+++ b/Tests/LibWeb/Text/expected/wpt-import/css/mediaqueries/test_media_queries.txt
@@ -2,8 +2,8 @@ Harness status: OK
 
 Found 1345 tests
 
-1269 Pass
-76 Fail
+1272 Pass
+73 Fail
 Pass	query_should_be_parseable: (orientation)
 Pass	query_should_be_parseable: not (orientation)
 Pass	expression_should_be_known: (orientation)
@@ -1153,7 +1153,7 @@ Pass	expression_should_be_known: resolution: 0dppx
 Pass	expression_should_be_known: resolution: 0x
 Pass	expression_should_be_known: resolution: calc(6x / 2)
 Pass	expression_should_be_parseable: resolution: -3dpi
-Fail	expression_should_be_unknown: resolution: -3dpi
+Pass	expression_should_be_unknown: resolution: -3dpi
 Pass	expression_should_be_known: min-resolution: 3dpi
 Pass	expression_should_be_known: min-resolution:3dpi
 Pass	expression_should_be_known: min-resolution: 3.0dpi
@@ -1169,7 +1169,7 @@ Pass	expression_should_be_known: min-resolution: 0dppx
 Pass	expression_should_be_known: min-resolution: 0x
 Pass	expression_should_be_known: min-resolution: calc(6x / 2)
 Pass	expression_should_be_parseable: min-resolution: -3dpi
-Fail	expression_should_be_unknown: min-resolution: -3dpi
+Pass	expression_should_be_unknown: min-resolution: -3dpi
 Pass	expression_should_be_known: max-resolution: 3dpi
 Pass	expression_should_be_known: max-resolution:3dpi
 Pass	expression_should_be_known: max-resolution: 3.0dpi
@@ -1185,7 +1185,7 @@ Pass	expression_should_be_known: max-resolution: 0dppx
 Pass	expression_should_be_known: max-resolution: 0x
 Pass	expression_should_be_known: max-resolution: calc(6x / 2)
 Pass	expression_should_be_parseable: max-resolution: -3dpi
-Fail	expression_should_be_unknown: max-resolution: -3dpi
+Pass	expression_should_be_unknown: max-resolution: -3dpi
 Pass	find_resolution
 Pass	resolution is exact: should_apply: (resolution: ${resolution}dpi)
 Pass	resolution is exact: should_apply: (resolution: ${Math.floor(resolution/96)}dppx)