diff --git a/hw/lm32_sys.c b/hw/lm32_sys.c
index 427b05fe1a31cf1f358dc41680d89bbb07678f47..e5ff962f4362a223522ce74e73578a872e3321ff 100644
--- a/hw/lm32_sys.c
+++ b/hw/lm32_sys.c
@@ -83,7 +83,7 @@ static void sys_write(void *opaque, target_phys_addr_t addr, uint32_t value)
         break;
 
     default:
-        error_report("lm32_sys: write access to unkown register 0x"
+        error_report("lm32_sys: write access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
diff --git a/hw/lm32_timer.c b/hw/lm32_timer.c
index ed289847ac417e93c3935504ce957d592b1f9a8e..49cbb22993ca27efd728b8cb47133fd99d63dc5c 100644
--- a/hw/lm32_timer.c
+++ b/hw/lm32_timer.c
@@ -86,7 +86,7 @@ static uint32_t timer_read(void *opaque, target_phys_addr_t addr)
         r = (uint32_t)ptimer_get_count(s->ptimer);
         break;
     default:
-        error_report("lm32_timer: read access to unkown register 0x"
+        error_report("lm32_timer: read access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
@@ -124,7 +124,7 @@ static void timer_write(void *opaque, target_phys_addr_t addr, uint32_t value)
                 TARGET_FMT_plx, addr << 2);
         break;
     default:
-        error_report("lm32_timer: write access to unkown register 0x"
+        error_report("lm32_timer: write access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
diff --git a/hw/lm32_uart.c b/hw/lm32_uart.c
index e225087b99b5c0dc54fe1728c5190be0ddaff4eb..09090e93b2108e32255d334cac81426c81e7c166 100644
--- a/hw/lm32_uart.c
+++ b/hw/lm32_uart.c
@@ -149,7 +149,7 @@ static uint32_t uart_read(void *opaque, target_phys_addr_t addr)
                 TARGET_FMT_plx, addr << 2);
         break;
     default:
-        error_report("lm32_uart: read access to unkown register 0x"
+        error_report("lm32_uart: read access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
@@ -185,7 +185,7 @@ static void uart_write(void *opaque, target_phys_addr_t addr, uint32_t value)
                 TARGET_FMT_plx, addr << 2);
         break;
     default:
-        error_report("lm32_uart: write access to unkown register 0x"
+        error_report("lm32_uart: write access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
diff --git a/hw/milkymist-ac97.c b/hw/milkymist-ac97.c
index 6c9e318aa2cb1239ee35588a63dc826888ba4c47..6104732f7d12f486873b814ddb3bd9600df0bcdd 100644
--- a/hw/milkymist-ac97.c
+++ b/hw/milkymist-ac97.c
@@ -103,7 +103,7 @@ static uint32_t ac97_read(void *opaque, target_phys_addr_t addr)
         break;
 
     default:
-        error_report("milkymist_ac97: read access to unkown register 0x"
+        error_report("milkymist_ac97: read access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
@@ -152,7 +152,7 @@ static void ac97_write(void *opaque, target_phys_addr_t addr, uint32_t value)
         break;
 
     default:
-        error_report("milkymist_ac97: write access to unkown register 0x"
+        error_report("milkymist_ac97: write access to unknown register 0x"
                 TARGET_FMT_plx, addr);
         break;
     }
diff --git a/hw/milkymist-memcard.c b/hw/milkymist-memcard.c
index 06077af82a43a84502abcf93fff278698b163871..22dc377d79a7f7fb45d3e1a8e85dc7efa3c3ff96 100644
--- a/hw/milkymist-memcard.c
+++ b/hw/milkymist-memcard.c
@@ -154,7 +154,7 @@ static uint32_t memcard_read(void *opaque, target_phys_addr_t addr)
         break;
 
     default:
-        error_report("milkymist_memcard: read access to unkown register 0x"
+        error_report("milkymist_memcard: read access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
@@ -210,7 +210,7 @@ static void memcard_write(void *opaque, target_phys_addr_t addr, uint32_t value)
         break;
 
     default:
-        error_report("milkymist_memcard: write access to unkown register 0x"
+        error_report("milkymist_memcard: write access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
diff --git a/hw/milkymist-sysctl.c b/hw/milkymist-sysctl.c
index 6bd0cb97405a5312cbc04e24a2e54ef41b1ec719..7b2d544ac35d67e46e50f090d5c4606279cb9e95 100644
--- a/hw/milkymist-sysctl.c
+++ b/hw/milkymist-sysctl.c
@@ -119,7 +119,7 @@ static uint32_t sysctl_read(void *opaque, target_phys_addr_t addr)
         break;
 
     default:
-        error_report("milkymist_sysctl: read access to unkown register 0x"
+        error_report("milkymist_sysctl: read access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }
@@ -189,7 +189,7 @@ static void sysctl_write(void *opaque, target_phys_addr_t addr, uint32_t value)
         break;
 
     default:
-        error_report("milkymist_sysctl: write access to unkown register 0x"
+        error_report("milkymist_sysctl: write access to unknown register 0x"
                 TARGET_FMT_plx, addr << 2);
         break;
     }