diff --git a/src/bench/checkqueue.cpp b/src/bench/checkqueue.cpp
--- a/src/bench/checkqueue.cpp
+++ b/src/bench/checkqueue.cpp
@@ -44,8 +44,9 @@
         std::vector<std::vector<PrevectorJob>> vBatches(BATCHES);
         for (auto &vChecks : vBatches) {
             vChecks.reserve(BATCH_SIZE);
-            for (size_t x = 0; x < BATCH_SIZE; ++x)
+            for (size_t x = 0; x < BATCH_SIZE; ++x) {
                 vChecks.emplace_back(insecure_rand);
+            }
             control.Add(vChecks);
         }
         // control waits for completion by RAII, but it is done explicitly here
diff --git a/src/bench/crypto_hash.cpp b/src/bench/crypto_hash.cpp
--- a/src/bench/crypto_hash.cpp
+++ b/src/bench/crypto_hash.cpp
@@ -23,22 +23,25 @@
 static void RIPEMD160(benchmark::State &state) {
     uint8_t hash[CRIPEMD160::OUTPUT_SIZE];
     std::vector<uint8_t> in(BUFFER_SIZE, 0);
-    while (state.KeepRunning())
+    while (state.KeepRunning()) {
         CRIPEMD160().Write(in.data(), in.size()).Finalize(hash);
+    }
 }
 
 static void SHA1(benchmark::State &state) {
     uint8_t hash[CSHA1::OUTPUT_SIZE];
     std::vector<uint8_t> in(BUFFER_SIZE, 0);
-    while (state.KeepRunning())
+    while (state.KeepRunning()) {
         CSHA1().Write(in.data(), in.size()).Finalize(hash);
+    }
 }
 
 static void SHA256(benchmark::State &state) {
     uint8_t hash[CSHA256::OUTPUT_SIZE];
     std::vector<uint8_t> in(BUFFER_SIZE, 0);
-    while (state.KeepRunning())
+    while (state.KeepRunning()) {
         CSHA256().Write(in.data(), in.size()).Finalize(hash);
+    }
 }
 
 static void SHA256_32b(benchmark::State &state) {
@@ -58,8 +61,9 @@
 static void SHA512(benchmark::State &state) {
     uint8_t hash[CSHA512::OUTPUT_SIZE];
     std::vector<uint8_t> in(BUFFER_SIZE, 0);
-    while (state.KeepRunning())
+    while (state.KeepRunning()) {
         CSHA512().Write(in.data(), in.size()).Finalize(hash);
+    }
 }
 
 static void SipHash_32b(benchmark::State &state) {
diff --git a/src/bench/lockedpool.cpp b/src/bench/lockedpool.cpp
--- a/src/bench/lockedpool.cpp
+++ b/src/bench/lockedpool.cpp
@@ -19,8 +19,9 @@
     Arena b(synth_base, synth_size, 16);
 
     std::vector<void *> addr;
-    for (int x = 0; x < ASIZE; ++x)
+    for (int x = 0; x < ASIZE; ++x) {
         addr.push_back(nullptr);
+    }
     uint32_t s = 0x12345678;
     while (state.KeepRunning()) {
         for (int x = 0; x < BITER; ++x) {
@@ -33,11 +34,14 @@
             }
             bool lsb = s & 1;
             s >>= 1;
-            if (lsb) s ^= 0xf00f00f0; // LFSR period 0xf7ffffe0
+            if (lsb) {
+                s ^= 0xf00f00f0; // LFSR period 0xf7ffffe0
+            }
         }
     }
-    for (void *ptr : addr)
+    for (void *ptr : addr) {
         b.free(ptr);
+    }
     addr.clear();
 }