diff --git a/src/coins.cpp b/src/coins.cpp
index 508401ade..0ae74af1d 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -173,7 +173,7 @@ bool CCoinsViewCache::GetNullifier(const uint256 &nullifier, ShieldedType type)
             cacheToUse = &cacheSaplingNullifiers;
             break;
         default:
-            throw std::runtime_error("Unknown nullifier type");
+            throw std::runtime_error("Unknown shielded type");
     }
     CNullifiersMap::iterator it = cacheToUse->find(nullifier);
     if (it != cacheToUse->end())
@@ -309,7 +309,7 @@ void CCoinsViewCache::PopAnchor(const uint256 &newrt, ShieldedType type) {
             );
             break;
         default:
-            throw std::runtime_error("Unknown shielded type " + type);
+            throw std::runtime_error("Unknown shielded type");
     }
 }
 
@@ -396,7 +396,7 @@ uint256 CCoinsViewCache::GetBestAnchor(ShieldedType type) const {
             return hashSaplingAnchor;
             break;
         default:
-            throw std::runtime_error("Unknown shielded type " + type);
+            throw std::runtime_error("Unknown shielded type");
     }
 }
 
diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp
index 6f391b7ac..c1bd8a553 100644
--- a/src/test/coins_tests.cpp
+++ b/src/test/coins_tests.cpp
@@ -82,7 +82,7 @@ public:
                 mapToUse = &mapSaplingNullifiers_;
                 break;
             default:
-                throw std::runtime_error("Unknown nullifier type");
+                throw std::runtime_error("Unknown shielded type");
         }
         std::map<uint256, bool>::const_iterator it = mapToUse->find(nf);
         if (it == mapToUse->end()) {
@@ -103,7 +103,7 @@ public:
                 return hashBestSaplingAnchor_;
                 break;
             default:
-                throw std::runtime_error("Unknown shielded type " + type);
+                throw std::runtime_error("Unknown shielded type");
         }
     }
 
diff --git a/src/txdb.cpp b/src/txdb.cpp
index 68424b226..0f1382e6c 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -77,7 +77,7 @@ bool CCoinsViewDB::GetNullifier(const uint256 &nf, ShieldedType type) const {
             dbChar = DB_SAPLING_NULLIFIER;
             break;
         default:
-            throw runtime_error("Unknown nullifier type");
+            throw runtime_error("Unknown shielded type");
     }
     return db.Read(make_pair(dbChar, nf), spent);
 }
@@ -110,7 +110,7 @@ uint256 CCoinsViewDB::GetBestAnchor(ShieldedType type) const {
                 return ZCSaplingIncrementalMerkleTree::empty_root();
             break;
         default:
-            throw runtime_error("Unknown shielded type " + type);
+            throw runtime_error("Unknown shielded type");
     }
 
     return hashBestAnchor;
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 6debd55b8..703806667 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -235,7 +235,7 @@ void CTxMemPool::removeWithAnchor(const uint256 &invalidRoot, ShieldedType type)
                 }
             break;
             default:
-                throw runtime_error("Unknown shielded type " + type);
+                throw runtime_error("Unknown shielded type");
             break;
         }
     }