diff --git a/app/ParserTests.launch b/app/ParserTests.launch
index a2c83c0c8..c2242e67a 100644
--- a/app/ParserTests.launch
+++ b/app/ParserTests.launch
@@ -6,6 +6,9 @@
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="1"/>
 </listAttribute>
+<mapAttribute key="org.eclipse.debug.core.preferred_launchers">
+<mapEntry key="[run]" value="org.eclipse.jdt.junit.launchconfig"/>
+</mapAttribute>
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
 <listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>