diff --git a/fusee/fusee-primary/src/display/cfb_console.c b/fusee/fusee-primary/src/display/cfb_console.c
index 65ef5462f..9d2e95b7c 100644
--- a/fusee/fusee-primary/src/display/cfb_console.c
+++ b/fusee/fusee-primary/src/display/cfb_console.c
@@ -555,7 +555,7 @@ static void console_scrollup (void)
 			 CONFIG_VIDEO_VISIBLE_ROWS - video_logo_height - VIDEO_FONT_HEIGHT	/* frame height */
 		);
 #else
-	memcpy(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
+	memmove(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
 	       CONSOLE_SCROLL_SIZE);
 #endif
 
diff --git a/fusee/fusee-primary/src/lib/ini.c b/fusee/fusee-primary/src/lib/ini.c
index dcc50eb29..63626c72d 100644
--- a/fusee/fusee-primary/src/lib/ini.c
+++ b/fusee/fusee-primary/src/lib/ini.c
@@ -70,7 +70,7 @@ static char* find_chars_or_comment(const char* s, const char* chars)
 /* Version of strncpy that ensures dest (size bytes) is null-terminated. */
 static char* strncpy0(char* dest, const char* src, size_t size)
 {
-    strncpy(dest, src, size);
+    strncpy(dest, src, size - 1);
     dest[size - 1] = '\0';
     return dest;
 }
diff --git a/fusee/fusee-primary/src/stage2.c b/fusee/fusee-primary/src/stage2.c
index b20ce7419..3321d39ea 100644
--- a/fusee/fusee-primary/src/stage2.c
+++ b/fusee/fusee-primary/src/stage2.c
@@ -20,7 +20,8 @@ static int stage2_ini_handler(void *user, const char *section, const char *name,
     uintptr_t x = 0;
     if (strcmp(section, "stage1") == 0) {
         if (strcmp(name, STAGE2_NAME_KEY) == 0) {
-            strncpy(config->path, value, sizeof(config->path));
+            strncpy(config->path, value, sizeof(config->path) - 1);
+            config->path[sizeof(config->path) - 1]  = '\0';
         } else if (strcmp(name, STAGE2_ADDRESS_KEY) == 0) {
             /* Read in load address as a hex string. */
             sscanf(value, "%x", &x);
diff --git a/fusee/fusee-secondary/src/display/cfb_console.c b/fusee/fusee-secondary/src/display/cfb_console.c
index 65ef5462f..9d2e95b7c 100644
--- a/fusee/fusee-secondary/src/display/cfb_console.c
+++ b/fusee/fusee-secondary/src/display/cfb_console.c
@@ -555,7 +555,7 @@ static void console_scrollup (void)
 			 CONFIG_VIDEO_VISIBLE_ROWS - video_logo_height - VIDEO_FONT_HEIGHT	/* frame height */
 		);
 #else
-	memcpy(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
+	memmove(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
 	       CONSOLE_SCROLL_SIZE);
 #endif
 
diff --git a/fusee/fusee-secondary/src/lib/ini.c b/fusee/fusee-secondary/src/lib/ini.c
index dcc50eb29..63626c72d 100644
--- a/fusee/fusee-secondary/src/lib/ini.c
+++ b/fusee/fusee-secondary/src/lib/ini.c
@@ -70,7 +70,7 @@ static char* find_chars_or_comment(const char* s, const char* chars)
 /* Version of strncpy that ensures dest (size bytes) is null-terminated. */
 static char* strncpy0(char* dest, const char* src, size_t size)
 {
-    strncpy(dest, src, size);
+    strncpy(dest, src, size - 1);
     dest[size - 1] = '\0';
     return dest;
 }
diff --git a/fusee/fusee-secondary/src/loader.c b/fusee/fusee-secondary/src/loader.c
index e942986d6..3d6916c5c 100644
--- a/fusee/fusee-secondary/src/loader.c
+++ b/fusee/fusee-secondary/src/loader.c
@@ -25,7 +25,8 @@ static int loadlist_entry_ini_handler(void *user, const char *section, const cha
             ext = name + strlen(load_file_ctx->key);
             if (strcmp(ext, "_path") == 0) {
                 /* Copy in the path. */
-                strncpy(load_file_ctx->path, value, sizeof(load_file_ctx->path));
+                strncpy(load_file_ctx->path, value, sizeof(load_file_ctx->path) - 1);
+                load_file_ctx->path[sizeof(load_file_ctx->path) - 1] = '\0';
             } else if (strcmp(ext, "_addr") == 0) {
                 /* Read in load address as a hex string. */
                 sscanf(value, "%x", &x);