diff --git a/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/SetupManager.java b/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/SetupManager.java
index 7542b4d..d3a9cca 100644
--- a/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/SetupManager.java
+++ b/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/SetupManager.java
@@ -311,7 +311,7 @@
 			String value = "";
 			// now get the value. replace == by =
 			if (valueStart > -1) {
-				value = option.substring(valueStart).replaceAll("==", "=");
+				value = option.substring(valueStart).replace("==", "=");
 			}
 			result.put(key.toString(), value);
 		}