diff --git a/third_party/lcms/src/cmsnamed.c b/third_party/lcms/src/cmsnamed.c
index 9b27ca0cc..9ed4cad39 100644
--- a/third_party/lcms/src/cmsnamed.c
+++ b/third_party/lcms/src/cmsnamed.c
@@ -540,7 +540,10 @@ cmsNAMEDCOLORLIST* CMSEXPORT cmsAllocNamedColorList(cmsContext ContextID, cmsUIn
     v ->ContextID  = ContextID;
 
     while (v -> Allocated < n){
-        if (!GrowNamedColorList(v)) return NULL;
+        if (!GrowNamedColorList(v)) {
+            cmsFreeNamedColorList(v);
+            return NULL;
+        }
     }
 
     strncpy(v ->Prefix, Prefix, sizeof(v ->Prefix)-1);
@@ -571,7 +574,10 @@ cmsNAMEDCOLORLIST* CMSEXPORT cmsDupNamedColorList(const cmsNAMEDCOLORLIST* v)
 
     // For really large tables we need this
     while (NewNC ->Allocated < v ->Allocated){
-        if (!GrowNamedColorList(NewNC)) return NULL;
+        if (!GrowNamedColorList(NewNC)) {
+            cmsFreeNamedColorList(NewNC);
+            return NULL;
+        }
     }
 
     memmove(NewNC ->Prefix, v ->Prefix, sizeof(v ->Prefix));