1 files changed, 1 insertions, 1 deletions
diff --git a/7.5/main.c b/7.5/main.c
index cf5194e..b65b44d 100644
--- a/7.5/main.c
+++ b/7.5/main.c
@@ -11,7 +11,7 @@ int main(void)
 	int opd2;
 	int c;
 
-	while ((c = getop(op, MAXOP))) {
+	while ((c = getop(op, MAXOP)) != EOF) {
 		switch (c) {
 		case NUM:
 			push(atof(op));