diff --git a/libopeninv b/libopeninv
index a564cc7..8a79c45 160000
--- a/libopeninv
+++ b/libopeninv
@@ -1 +1 @@
-Subproject commit a564cc7a646e70b1eff1331127d7c30ac42991c3
+Subproject commit 8a79c453177a657532936a5671ff42ffcfe38781
diff --git a/sinus.cbp b/sinus.cbp
index 06c7d04..21f3fd3 100644
--- a/sinus.cbp
+++ b/sinus.cbp
@@ -106,7 +106,7 @@
 		<Unit filename="libopeninv/src/param_save.cpp" />
 		<Unit filename="libopeninv/src/params.cpp" />
 		<Unit filename="libopeninv/src/picontroller.cpp" />
-		<Unit filename="libopeninv/src/printf.c">
+		<Unit filename="libopeninv/src/printf.cpp">
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="libopeninv/src/sine_core.cpp" />