diff --git a/360/main.c b/360/main.c
index b36574f769..875d7c3d1d 100644
--- a/360/main.c
+++ b/360/main.c
@@ -81,7 +81,7 @@ static int Mount( int Device, char* MountPoint )
    char MountConv[260];
    char * SysPath = NULL;
 
-   sprintf_s( MountConv,"\\??\\%s", MountPoint );
+   snprintf_s( MountConv, sizeof(MountConv), "\\??\\%s", MountPoint );
 
    switch( Device )
    {
diff --git a/console/rzlib/rzlib.c b/console/rzlib/rzlib.c
index e1de22bdc1..f497b8a44d 100644
--- a/console/rzlib/rzlib.c
+++ b/console/rzlib/rzlib.c
@@ -1846,7 +1846,7 @@ voidp  gzdopen (int fd, const char * mode)
 	char name[20];
 
 	if (fd < 0) return (voidp)0;
-	sprintf(name, "<fd:%d>", fd); /* for debugging */
+	snprintf(name, sizeof(name), "<fd:%d>", fd); /* for debugging */
 
 	return gz_open (name, mode, fd);
 }
diff --git a/console/salamander/main.c b/console/salamander/main.c
index 68598ed293..f9b84205fc 100644
--- a/console/salamander/main.c
+++ b/console/salamander/main.c
@@ -370,7 +370,7 @@ int main(int argc, char *argv[])
    for(unsigned int i = 0; i < sizeof(spawn_data); ++i)
       spawn_data[i] = i & 0xff;
 
-   sprintf(spawn_data_size, "%d", 256);
+   snprintf(spawn_data_size, sizeof(spawn_data_size), "%d", 256);
 
    const char * const spawn_argv[] = {
 	   spawn_data_size,