diff --git a/.cproject b/.cproject
index ba4e9d6..5702c66 100644
--- a/.cproject
+++ b/.cproject
@@ -14,7 +14,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactName="${ProjName}" buildProperties="" description="" id="cdt.managedbuild.toolchain.gnu.base.2091678410" name="amd64-ubuntu" parent="org.eclipse.cdt.build.core.emptycfg">
+				<configuration artifactName="${ProjName}" buildProperties="" description="" id="cdt.managedbuild.toolchain.gnu.base.2091678410" name="amd64-ubuntu" optionalBuildProperties="" parent="org.eclipse.cdt.build.core.emptycfg">
 					<folderInfo id="cdt.managedbuild.toolchain.gnu.base.2091678410.118484177" name="/" resourcePath="">
 						<toolChain id="cdt.managedbuild.toolchain.gnu.base.1517489953" name="Linux GCC" superClass="cdt.managedbuild.toolchain.gnu.base">
 							<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.GNU_ELF" id="cdt.managedbuild.target.gnu.platform.base.971240548" name="Debug Platform" osList="linux,hpux,aix,qnx" superClass="cdt.managedbuild.target.gnu.platform.base"/>