diff --git a/src/haxelib/SemVer.hx b/src/haxelib/SemVer.hx
index df654bfa..4058b632 100644
--- a/src/haxelib/SemVer.hx
+++ b/src/haxelib/SemVer.hx
@@ -110,16 +110,16 @@ abstract SemVer(String) to String {
 		return isValid(this);
 
 	@:op(a > b) static inline function gt(a:SemVer, b:SemVer)
-		return compare(a, b) == 1;
+		return compare(a, b) > 0;
 
 	@:op(a >= b) static inline function gteq(a:SemVer, b:SemVer)
-		return compare(a, b) != -1;
+		return compare(a, b) >= 0;
 
 	@:op(a < b) static inline function lt(a:SemVer, b:SemVer)
-		return compare(a, b) == -1;
+		return compare(a, b) < 0;
 
 	@:op(a <= b) static inline function lteq(a:SemVer, b:SemVer)
-		return compare(a, b) != 1;
+		return compare(a, b) <= 0;
 
 	@:op(a == b) static inline function eq(a:SemVer, b:SemVer)
 		return compare(a, b) == 0;
diff --git a/test/tests/TestSemVer.hx b/test/tests/TestSemVer.hx
index 20cbe37c..4dadb2b8 100644
--- a/test/tests/TestSemVer.hx
+++ b/test/tests/TestSemVer.hx
@@ -62,6 +62,17 @@ class TestSemVer extends TestBase {
 		assertEquals( "invalid", parseInvalid("10.50.2-rc.01"));
 	}
 
+	public function testPreviewComparison() {
+		assertTrue(SemVer.ofString("0.1.1-beta.1") < SemVer.ofString("0.1.1"));
+		assertTrue(SemVer.ofString("0.1.1-beta.1") > SemVer.ofString("0.1.0"));
+		assertTrue(SemVer.ofString("0.1.1-alpha.2") > SemVer.ofString("0.1.1-alpha.1"));
+		assertTrue(SemVer.ofString("0.1.1-beta.1") > SemVer.ofString("0.1.1-alpha.2"));
+		assertTrue(SemVer.ofString("0.1.1-rc.1") > SemVer.ofString("0.1.1-beta.1"));
+		#if !(server || haxelib_api)
+		assertTrue(SemVer.ofString("0.1.1-preview.1") > SemVer.ofString("0.1.1-rc.1"));
+		#end
+	}
+
 	function parseInvalid( str:String ):String {
 		return try {
 			SemVer.ofString(str);