diff --git a/Test/Flurl.Test/Http/TestingTests.cs b/Test/Flurl.Test/Http/TestingTests.cs
index 137447a0..c055757d 100644
--- a/Test/Flurl.Test/Http/TestingTests.cs
+++ b/Test/Flurl.Test/Http/TestingTests.cs
@@ -138,6 +138,29 @@ public async Task can_respond_based_on_query_params() {
 			Assert.AreEqual("query param conditions met!", await "http://api.com?x=1&y=2&z=3&c=yes".GetStringAsync());
 		}
 
+		[Test] // #596
+		public async Task url_patterns_ignore_query_when_not_specified() {
+			HttpTest.ForCallsTo("http://api.com/1").RespondWith("one");
+			HttpTest.ForCallsTo("http://api.com/2").WithAnyQueryParam().RespondWith("two");
+			HttpTest.ForCallsTo("http://api.com/3").WithoutQueryParams().RespondWith("three");
+
+			Assert.AreEqual("one", await "http://api.com/1".GetStringAsync());
+			Assert.AreEqual("one", await "http://api.com/1?x=foo&y=bar".GetStringAsync());
+
+			Assert.AreEqual("", await "http://api.com/2".GetStringAsync());
+			Assert.AreEqual("two", await "http://api.com/2?x=foo&y=bar".GetStringAsync());
+
+			Assert.AreEqual("three", await "http://api.com/3".GetStringAsync());
+			Assert.AreEqual("", await "http://api.com/3?x=foo&y=bar".GetStringAsync());
+
+			HttpTest.ShouldHaveCalled("http://api.com/1").Times(2);
+			HttpTest.ShouldHaveCalled("http://api.com/1").WithAnyQueryParam().Times(1);
+			HttpTest.ShouldHaveCalled("http://api.com/1").WithoutQueryParams().Times(1);
+			HttpTest.ShouldHaveCalled("http://api.com/1?x=foo").Times(1);
+			HttpTest.ShouldHaveCalled("http://api.com/1?x=foo").WithQueryParam("y").Times(1);
+			HttpTest.ShouldHaveCalled("http://api.com/1?x=foo").WithQueryParam("y", "bar").Times(1);
+		}
+
 		[Test]
 		public async Task can_respond_based_on_headers() {
 			HttpTest
diff --git a/src/Flurl.Http/Testing/FilteredHttpTestSetup.cs b/src/Flurl.Http/Testing/FilteredHttpTestSetup.cs
index d32f20fc..935fb637 100644
--- a/src/Flurl.Http/Testing/FilteredHttpTestSetup.cs
+++ b/src/Flurl.Http/Testing/FilteredHttpTestSetup.cs
@@ -21,7 +21,7 @@ public class FilteredHttpTestSetup : HttpTestSetup
 		/// <param name="urlPatterns">URL(s) or URL pattern(s) that this HttpTestSetup applies to. Can contain * wildcard.</param>
 		public FilteredHttpTestSetup(TestFlurlHttpSettings settings, params string[] urlPatterns) : base(settings) {
 			if (urlPatterns.Any())
-				With(call => urlPatterns.Any(p => Util.MatchesPattern(call.Request.Url, p)));
+				With(call => urlPatterns.Any(p => Util.MatchesUrlPattern(call.Request.Url, p)));
 		}
 
 		/// <summary>
diff --git a/src/Flurl.Http/Testing/HttpCallAssertion.cs b/src/Flurl.Http/Testing/HttpCallAssertion.cs
index cdfdb2a7..e96b0f6a 100644
--- a/src/Flurl.Http/Testing/HttpCallAssertion.cs
+++ b/src/Flurl.Http/Testing/HttpCallAssertion.cs
@@ -68,7 +68,7 @@ public HttpCallAssertion Without(Func<FlurlCall, bool> match, string descrip = n
 		/// </summary>
 		/// <param name="urlPattern">Can contain * wildcard.</param>
 		public HttpCallAssertion WithUrlPattern(string urlPattern) {
-			return With(c => Util.MatchesPattern(c.Request.Url, urlPattern), $"URL pattern {urlPattern}");
+			return With(c => Util.MatchesUrlPattern(c.Request.Url, urlPattern), $"URL pattern {urlPattern}");
 		}
 
 		/// <summary>
diff --git a/src/Flurl.Http/Testing/Util.cs b/src/Flurl.Http/Testing/Util.cs
index 6cbad816..12c2af83 100644
--- a/src/Flurl.Http/Testing/Util.cs
+++ b/src/Flurl.Http/Testing/Util.cs
@@ -90,6 +90,23 @@ private static bool MatchesValueOrPattern(object valueToMatch, object value) {
 			return valueToMatch?.ToInvariantString() == value?.ToInvariantString();
 		}
 
+		/// <summary>
+		/// same as MatchesPattern, but doesn't require trailing * to ignore query string
+		/// </summary>
+		internal static bool MatchesUrlPattern(string url, string pattern) {
+			if (MatchesPattern(url, pattern))
+				return true;
+			if (pattern.OrdinalEndsWith("*"))
+				return false;
+			if (pattern.OrdinalContains("?"))
+				return MatchesPattern(url, pattern + "&*");
+			else
+				return MatchesPattern(url, pattern + "?*");
+		}
+
+		/// <summary>
+		/// match simple patterns with * wildcard
+		/// </summary>
 		internal static bool MatchesPattern(string textToCheck, string pattern) {
 			// avoid regex'ing in simple cases
 			if (string.IsNullOrEmpty(pattern) || pattern == "*") return true;