diff --git a/examples/client/client.c b/examples/client/client.c
index e99b4e5..b7aa9f2 100644
--- a/examples/client/client.c
+++ b/examples/client/client.c
@@ -195,7 +195,7 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
     socklen_t clientAddrSz = sizeof(clientAddr);
     char rxBuf[80];
     int ret;
-    char ch;
+    int ch;
     word16 port = wolfSshPort;
     char* host = (char*)wolfSshIp;
     const char* username = NULL;
diff --git a/examples/echoserver/echoserver.c b/examples/echoserver/echoserver.c
index e4fc779..b1822a1 100644
--- a/examples/echoserver/echoserver.c
+++ b/examples/echoserver/echoserver.c
@@ -599,7 +599,7 @@ THREAD_RETURN WOLFSSH_THREAD echoserver_test(void* args)
     word32 threadCount = 0;
     int multipleConnections = 1;
     int useEcc = 0;
-    char ch;
+    int ch;
     word16 port = wolfSshPort;
     char* readyFile = NULL;
 
diff --git a/examples/server/server.c b/examples/server/server.c
index 33f6181..54822bc 100644
--- a/examples/server/server.c
+++ b/examples/server/server.c
@@ -565,7 +565,7 @@ THREAD_RETURN WOLFSSH_THREAD server_test(void* args)
     word16 port = wolfSshPort;
     char multipleConnections = 0;
     char useEcc = 0;
-    char ch;
+    int  ch;
     char nonBlock = 0;
 
     int     argc = ((func_args*)args)->argc;
diff --git a/examples/wolffwd/wolffwd.c b/examples/wolffwd/wolffwd.c
index 2d652f7..959127d 100644
--- a/examples/wolffwd/wolffwd.c
+++ b/examples/wolffwd/wolffwd.c
@@ -217,7 +217,7 @@ THREAD_RETURN WOLFSSH_THREAD wolffwd_worker(void* args)
     fd_set errFds;
     int nFds;
     int ret;
-    char ch;
+    int ch;
     int appFdSet = 0;
     struct timeval to;
     WOLFSSH_CHANNEL* fwdChannel = NULL;
diff --git a/wolfsftp/client/sftpclient.c b/wolfsftp/client/sftpclient.c
index 9b5a871..780a485 100644
--- a/wolfsftp/client/sftpclient.c
+++ b/wolfsftp/client/sftpclient.c
@@ -788,7 +788,7 @@ THREAD_RETURN WOLFSSH_THREAD sftpclient_test(void* args)
     SOCKADDR_IN_T clientAddr;
     socklen_t clientAddrSz = sizeof(clientAddr);
     int ret;
-    char ch;
+    int ch;
     word16 port = wolfSshPort;
     char* host = (char*)wolfSshIp;
     const char* username = NULL;