diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index 87487c248e..18a4befd80 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -115,9 +115,9 @@ void InitSignatureCache()
 {
     // nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero,
     // setup_bytes creates the minimum possible cache (2 elements).
-    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 2), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
+    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 4), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
     size_t nElems = signatureCache.setup_bytes(nMaxCacheSize);
-    LogPrintf("Using %zu MiB out of %zu/2 requested for signature cache, able to store %zu elements\n",
+    LogPrintf("Using %zu MiB out of %zu/4 requested for signature cache, able to store %zu elements\n",
             (nElems*sizeof(uint256)) >>20, (nMaxCacheSize*2)>>20, nElems);
 }
 
@@ -152,9 +152,9 @@ void InitRangeproofCache()
 {
     // nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero,
     // setup_bytes creates the minimum possible cache (2 elements).
-    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE)), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
+    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 4), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
     size_t nElems = rangeProofCache.setup_bytes(nMaxCacheSize);
-    LogPrintf("Using %zu MiB out of %zu requested for rangeproof cache, able to store %zu elements\n",
+    LogPrintf("Using %zu MiB out of %zu/4 requested for rangeproof cache, able to store %zu elements\n",
             (nElems*sizeof(uint256)) >>20, nMaxCacheSize>>20, nElems);
 }
 
@@ -163,9 +163,9 @@ void InitSurjectionproofCache()
 {
     // nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero,
     // setup_bytes creates the minimum possible cache (2 elements).
-    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE)), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
+    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 4), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
     size_t nElems = surjectionProofCache.setup_bytes(nMaxCacheSize);
-    LogPrintf("Using %zu MiB out of %zu requested for surjectionproof cache, able to store %zu elements\n",
+    LogPrintf("Using %zu MiB out of %zu/4 requested for surjectionproof cache, able to store %zu elements\n",
             (nElems*sizeof(uint256)) >>20, nMaxCacheSize>>20, nElems);
 }
 
diff --git a/src/validation.cpp b/src/validation.cpp
index 5b4841244c..da086153dd 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1580,9 +1580,9 @@ void InitScriptExecutionCache() {
     g_scriptExecutionCacheHasher.Write(nonce.begin(), 32);
     // nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero,
     // setup_bytes creates the minimum possible cache (2 elements).
-    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 2), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
+    size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 4), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
     size_t nElems = g_scriptExecutionCache.setup_bytes(nMaxCacheSize);
-    LogPrintf("Using %zu MiB out of %zu/2 requested for script execution cache, able to store %zu elements\n",
+    LogPrintf("Using %zu MiB out of %zu/4 requested for script execution cache, able to store %zu elements\n",
             (nElems*sizeof(uint256)) >>20, (nMaxCacheSize*2)>>20, nElems);
 }