diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/sourcelookup/advanced/AdvancedSourceLookupSupport.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/sourcelookup/advanced/AdvancedSourceLookupSupport.java
index 254ae00..f09fcdb 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/sourcelookup/advanced/AdvancedSourceLookupSupport.java
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/sourcelookup/advanced/AdvancedSourceLookupSupport.java
@@ -115,7 +115,7 @@
 	}
 
 	public static String getJavaagentString() {
-		return "-javaagent:" + getJavaagentLocation(); //$NON-NLS-1$
+		return "-javaagent:\"" + getJavaagentLocation() + "\""; //$NON-NLS-1$ //$NON-NLS-2$
 	}
 
 	public static String getJavaagentLocation() {