diff --git a/RecastDemo/Source/InputGeom.cpp b/RecastDemo/Source/InputGeom.cpp
index f1e0186..b532511 100644
--- a/RecastDemo/Source/InputGeom.cpp
+++ b/RecastDemo/Source/InputGeom.cpp
@@ -178,6 +178,7 @@ bool InputGeom::load(rcContext* ctx, const char* filePath)
 	fclose(fp);
 	if (readLen != 1)
 	{
+		delete[] buf;
 		return false;
 	}