diff --git a/procps/ps.c b/procps/ps.c
index 6821359..99c9eda 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -126,7 +126,7 @@
 	char groupName[10] = "";
 	int len, i, c;
 #ifdef BB_FEATURE_AUTOWIDTH
-	struct winsize win = { 0, 0 };
+	struct winsize win = { 0, 0, 0, 0 };
 	int terminal_width = TERMINAL_WIDTH;
 #else
 #define terminal_width  TERMINAL_WIDTH