diff --git a/QnetModem.cpp b/QnetModem.cpp
index 698c6cf..292d795 100644
--- a/QnetModem.cpp
+++ b/QnetModem.cpp
@@ -406,7 +406,7 @@ MODEM_RESPONSE CQnetModem::GetModemData(unsigned char *buf, unsigned int size)
 
 	while (junk_count) {
 		unsigned char junk[8];
-		ret = read(serfd, junk, (junk_count < 8U) ? 8U : junk_count);
+		ret = read(serfd, junk, (junk_count > 8U) ? 8U : junk_count);
 		if (ret < 0) {
 			printf("Error when reading junk: %s\n", strerror(errno));
 			return ERROR_RESPONSE;