diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 13ea71852d..6703f1d4ae 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2020-03-14  Kamil Rytarowski  <n54@gmx.com>
+
+	* m68k-bsd-nat.c (m68kbsd_supply_gregset): Change type of regs to
+	gdb_byte *.
+	* m68k-bsd-nat.c (m68kbsd_supply_fpregset): Likewise.
+	* m68k-bsd-nat.c (m68kbsd_collect_gregset): Likewise.
+	* m68k-bsd-nat.c (m68kbsd_supply_pcb): Cast &tmp to gdb_byte *.
+
 2020-03-14  Kamil Rytarowski  <n54@gmx.com>
 
 	* m68k-bsd-nat.c (m68k_bsd_nat_target): Inherit from
diff --git a/gdb/m68k-bsd-nat.c b/gdb/m68k-bsd-nat.c
index 774b608425..a3123a7319 100644
--- a/gdb/m68k-bsd-nat.c
+++ b/gdb/m68k-bsd-nat.c
@@ -57,7 +57,7 @@ m68kbsd_fpregset_supplies_p (int regnum)
 static void
 m68kbsd_supply_gregset (struct regcache *regcache, const void *gregs)
 {
-  const char *regs = gregs;
+  const gdb_byte *regs = (const gdb_byte *) gregs;
   int regnum;
 
   for (regnum = M68K_D0_REGNUM; regnum <= M68K_PC_REGNUM; regnum++)
@@ -70,7 +70,7 @@ static void
 m68kbsd_supply_fpregset (struct regcache *regcache, const void *fpregs)
 {
   struct gdbarch *gdbarch = regcache->arch ();
-  const char *regs = fpregs;
+  const gdb_byte *regs = (const gdb_byte *) fpregs;
   int regnum;
 
   for (regnum = M68K_FP0_REGNUM; regnum <= M68K_FPI_REGNUM; regnum++)
@@ -85,7 +85,7 @@ static void
 m68kbsd_collect_gregset (const struct regcache *regcache,
 			 void *gregs, int regnum)
 {
-  char *regs = gregs;
+  gdb_byte *regs = (gdb_byte *) gregs;
   int i;
 
   for (i = M68K_D0_REGNUM; i <= M68K_PC_REGNUM; i++)
@@ -218,7 +218,7 @@ m68kbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
   tmp = pcb->pcb_ps & 0xffff;
   regcache->raw_supply (M68K_PS_REGNUM, &tmp);
 
-  read_memory (pcb->pcb_regs[PCB_REGS_FP] + 4, (char *) &tmp, sizeof tmp);
+  read_memory (pcb->pcb_regs[PCB_REGS_FP] + 4, (gdb_byte *) &tmp, sizeof tmp);
   regcache->raw_supply (M68K_PC_REGNUM, &tmp);
 
   return 1;