diff --git a/releng/org.eclipse.cdt.releng/sdk/build.properties b/releng/org.eclipse.cdt.releng/sdk/build.properties
index 49c04dfe1d4..28c22f0a107 100644
--- a/releng/org.eclipse.cdt.releng/sdk/build.properties
+++ b/releng/org.eclipse.cdt.releng/sdk/build.properties
@@ -100,7 +100,7 @@ zipargs=
 #bootclasspath=d:/ibm1.3.1/jre/lib/rt.jar
 
 # Whether or not to include debug info in the output jars
-javacDebugInfo=true 
+javacDebugInfo=on 
 
 # Whether or not to fail the build if there are compiler errors
 javacfailonerror=true
diff --git a/releng/org.eclipse.cdt.releng/testing/build.properties b/releng/org.eclipse.cdt.releng/testing/build.properties
index 0ade4ae3f3d..e01f24b529f 100644
--- a/releng/org.eclipse.cdt.releng/testing/build.properties
+++ b/releng/org.eclipse.cdt.releng/testing/build.properties
@@ -83,7 +83,7 @@ zipargs=
 #bootclasspath=d:/ibm1.3.1/jre/lib/rt.jar
 
 # Whether or not to include debug info in the output jars
-javacDebugInfo=true 
+javacDebugInfo=on 
 
 # Whether or not to fail the build if there are compiler errors
 javacfailonerror=true