diff --git a/src/strutil.c b/src/strutil.c
index 68234f328..be9108c5c 100644
--- a/src/strutil.c
+++ b/src/strutil.c
@@ -1553,7 +1553,7 @@ char *str_quote_bash(const char *s) {
 
 // Return the string in closed-circuit space so it can be used as shell argument
 const char *str_ccsharg(const char *str) {
-  const char *special="\"' $\\#[]<>|;{}()*?~&", *s;
+  const char *special="\"'` $\\#[]<>|;{}()*?~&!", *s;
 
   for(s = str; *s; s++)
     if(strchr(special, *s))
diff --git a/src/term.c b/src/term.c
index 246db412c..b5a905b81 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1997,6 +1997,7 @@ static int fusel_factory(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *
     pmsg_warning("cannot update %s owing to unusual memory size %d\n", mem->desc, mem->size);
     return -1;
   }
+
   // Read in memory as little endian
   for(int i = 0; i < mem->size; i++) {
     value[i] = mem->initval >> (8*i);
@@ -2052,6 +2053,7 @@ static int cmd_factory(const PROGRAMMER *pgm, const AVRPART *p, int argc, const
 
     return ret;
   }
+
   // Reset fuses to factory values
   for(LNODEID ln = lfirst(p->mem); ln; ln = lnext(ln))
     if(!avr_mem_exclude(pgm, p, (m = ldata(ln))))