diff --git a/nx-X11/programs/Xserver/dix/dixfonts.c b/nx-X11/programs/Xserver/dix/dixfonts.c
index b66fe23..193f555 100644
--- a/nx-X11/programs/Xserver/dix/dixfonts.c
+++ b/nx-X11/programs/Xserver/dix/dixfonts.c
@@ -2203,7 +2203,7 @@ dump_char_ascii(CharInfoPtr cip)
 	byte = 0;
 	for (l = 0; l <= (cip->metrics.rightSideBearing -
 			  cip->metrics.leftSideBearing); l++) {
-	    if (maskTab[l & 7] & row[l >> 3])
+	    if (maskTab[l & 7] & (((int*)row)[l >> 3]))
 		putchar('X');
 	    else
 		putchar('.');
diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c
index 69ad30d..87858b3 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c
@@ -734,7 +734,7 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
 
 		client->sequence++;
 #ifdef DEBUG
-		if (client->requestLogIndex == MAX_REQUEST_LOG)
+		if ((client->requestLogIndex >= MAX_REQUEST_LOG) || (client->requestLogIndex <= 0))
 		    client->requestLogIndex = 0;
 		client->requestLog[client->requestLogIndex] = MAJOROP;
 		client->requestLogIndex++;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c
index 3234c99..61bce5a 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXdixfonts.c
@@ -2351,7 +2351,7 @@ dump_char_ascii(CharInfoPtr cip)
 	byte = 0;
 	for (l = 0; l <= (cip->metrics.rightSideBearing -
 			  cip->metrics.leftSideBearing); l++) {
-	    if (maskTab[l & 7] & row[l >> 3])
+	    if (maskTab[l & 7] & (((int *)row)[l >> 3]))
 		putchar('X');
 	    else
 		putchar('.');