diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa79e10..cf677e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## dev branch / next version (1.x.x)
 
 - added indentOffset to support code snippets with non-zero indentation levels
+- fixed line break in type parameter constraint
 
 ## version 1.17.1 (2024-10-22)
 
diff --git a/src/formatter/marker/MarkLineEnds.hx b/src/formatter/marker/MarkLineEnds.hx
index abc6819..99aa0c0 100644
--- a/src/formatter/marker/MarkLineEnds.hx
+++ b/src/formatter/marker/MarkLineEnds.hx
@@ -334,6 +334,7 @@ class MarkLineEnds extends MarkerBase {
 			case Comma:
 			case Semicolon:
 			case Arrow:
+			case Binop(OpAnd):
 			case Binop(OpAssign):
 			case Binop(OpGt):
 			case Const(CIdent("is")):
diff --git a/test/testcases/lineends/simons_type_parameter_constraints.hxtest b/test/testcases/lineends/simons_type_parameter_constraints.hxtest
new file mode 100644
index 0000000..9f06d7a
--- /dev/null
+++ b/test/testcases/lineends/simons_type_parameter_constraints.hxtest
@@ -0,0 +1,14 @@
+{
+}
+
+---
+
+function hasIdent<T, O:{} & T>(name:T):T {
+	return false;
+}
+
+---
+
+function hasIdent<T, O:{} & T>(name:T):T {
+	return false;
+}