diff --git a/nbproject/project.properties b/nbproject/project.properties
index bb9c7443faa149d9bed59b776259fbb7e7c41928..ef6e28d483e85ae69d6d17d6dd98326e6e8cf533 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -55,7 +55,7 @@ javac.classpath=\
     ${file.reference.open-dis7-entities-usa-surface.jar}:\
     ${file.reference.open-dis7-entities-usa-land.jar}
 # Space-separated list of extra javac options
-javac.compilerargs=
+javac.compilerargs=-Xlint:unchecked
 javac.deprecation=false
 javac.external.vm=true
 javac.modulepath=