diff --git a/third_party/lcms/src/cmstypes.c b/third_party/lcms/src/cmstypes.c
index 06742b5..44c5b87 100644
--- a/third_party/lcms/src/cmstypes.c
+++ b/third_party/lcms/src/cmstypes.c
@@ -2964,7 +2964,7 @@ void *Type_ColorantTable_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER
 {
     cmsUInt32Number i, Count;
     cmsNAMEDCOLORLIST* List;
-    char Name[34];
+    char Name[33];
     cmsUInt16Number PCS[3];
 
 
@@ -2979,7 +2979,7 @@ void *Type_ColorantTable_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER
     for (i=0; i < Count; i++) {
 
         if (io ->Read(io, Name, 32, 1) != 1) goto Error;
-        Name[33] = 0;
+        Name[32] = 0;
 
         if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error;
 
@@ -3106,6 +3106,7 @@ void *Type_NamedColor_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* i
 
         memset(Colorant, 0, sizeof(Colorant));
         if (io -> Read(io, Root, 32, 1) != 1) return NULL;
+        Root[32] = 0;
         if (!_cmsReadUInt16Array(io, 3, PCS)) goto Error;
         if (!_cmsReadUInt16Array(io, nDeviceCoords, Colorant)) goto Error;