diff --git a/data/registers/hsem_v1.yaml b/data/registers/hsem_v1.yaml
index 60edfdc..78071df 100644
--- a/data/registers/hsem_v1.yaml
+++ b/data/registers/hsem_v1.yaml
@@ -66,7 +66,7 @@ fieldset/CR:
   - name: COREID
     description: COREID of semaphores to be cleared.
     bit_offset: 8
-    bit_size: 8
+    bit_size: 4
   - name: KEY
     description: Semaphore clear Key.
     bit_offset: 16
@@ -88,7 +88,7 @@ fieldset/R:
   - name: COREID
     description: Semaphore COREID.
     bit_offset: 8
-    bit_size: 8
+    bit_size: 4
   - name: LOCK
     description: Lock indication.
     bit_offset: 31
@@ -103,7 +103,7 @@ fieldset/RLR:
   - name: COREID
     description: Semaphore COREID.
     bit_offset: 8
-    bit_size: 8
+    bit_size: 4
   - name: LOCK
     description: Lock indication.
     bit_offset: 31
diff --git a/data/registers/hsem_v2.yaml b/data/registers/hsem_v2.yaml
index e1d639a..1fcd31a 100644
--- a/data/registers/hsem_v2.yaml
+++ b/data/registers/hsem_v2.yaml
@@ -46,10 +46,10 @@ block/HSEM:
 fieldset/CR:
   description: HSEM Clear register.
   fields:
-  - name: MASTERID
-    description: MasterID of semaphores to be cleared.
+  - name: COREID
+    description: COREID of semaphores to be cleared.
     bit_offset: 8
-    bit_size: 8
+    bit_size: 4
   - name: KEY
     description: Semaphore clear Key.
     bit_offset: 16
@@ -68,10 +68,10 @@ fieldset/R:
     description: Semaphore ProcessID.
     bit_offset: 0
     bit_size: 8
-  - name: MASTERID
-    description: Semaphore MasterID.
+  - name: COREID
+    description: Semaphore COREID.
     bit_offset: 8
-    bit_size: 8
+    bit_size: 4
   - name: LOCK
     description: Lock indication.
     bit_offset: 31
@@ -84,9 +84,9 @@ fieldset/RLR:
     bit_offset: 0
     bit_size: 8
   - name: MASTERID
-    description: Semaphore MasterID.
+    description: Semaphore COREID.
     bit_offset: 8
-    bit_size: 8
+    bit_size: 4
   - name: LOCK
     description: Lock indication.
     bit_offset: 31