diff --git a/tests/tests-c-compiler/check-src/check-70.c b/tests/tests-c-compiler/check-src/check-70.c
index 6c10f09..6915163 100644
--- a/tests/tests-c-compiler/check-src/check-70.c
+++ b/tests/tests-c-compiler/check-src/check-70.c
@@ -143,8 +143,7 @@
 			if(how == AS_DER) {
 				assert(fbuf_offset == (ssize_t)size);
 			} else {
-				assert(fbuf_offset - size < 2
-				|| (fbuf_offset + 1 /* "\n" */  == (ssize_t)size
+				assert((fbuf_offset + 1 /* "\n" */  == (ssize_t)size
 					&& fbuf[size - 1] == '\n')
 				|| (fbuf_offset + 2 /* "\r\n" */  == (ssize_t)size
 					&& fbuf[size - 2] == '\r'