diff --git a/tools/mouse-dpi-tool.c b/tools/mouse-dpi-tool.c
index 5fbc63d..dc54a0d 100644
--- a/tools/mouse-dpi-tool.c
+++ b/tools/mouse-dpi-tool.c
@@ -210,7 +210,7 @@ main (int argc, char **argv) {
 	int fd;
 	const char *path;
 	struct libevdev *dev;
-	struct measurements measurements = {0};
+	struct measurements measurements = {0, 0, 0};
 
 	if (argc < 2)
 		return usage();