diff --git a/releng/org.eclipse.rse.build/build.properties b/releng/org.eclipse.rse.build/build.properties
index 9f3dff58e9b..61e398f4193 100644
--- a/releng/org.eclipse.rse.build/build.properties
+++ b/releng/org.eclipse.rse.build/build.properties
@@ -29,7 +29,7 @@ javacDebugInfo=on
 #javacVerbose=true
 #compilerArg=-enableJavadoc
 #This fixes a problem with the IBM 1.5 VM, see bug 158358
-compilerArg=-inlineJSR -enableJavadoc -warn:javadoc
+compilerArg=-inlineJSR -enableJavadoc -warn:+javadoc
 
 zipargs=
 tarargs=--owner=0 --group=0