diff --git a/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp b/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp
index b4553f8d2..2f6834a04 100644
--- a/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp
+++ b/libcockatrice_utility/libcockatrice/utility/system_memory_querier.cpp
@@ -23,15 +23,17 @@ qulonglong SystemMemoryQuerier::totalMemoryBytes()
 
     MEMORYSTATUSEX statex;
     statex.dwLength = sizeof(statex);
-    if (GlobalMemoryStatusEx(&statex))
+    if (GlobalMemoryStatusEx(&statex)) {
         return statex.ullTotalPhys;
+    }
     return 0;
 
 #elif defined(Q_OS_LINUX)
 
     QFile file("/proc/meminfo");
-    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
         return 0;
+    }
 
     QTextStream in(&file);
     while (!in.atEnd()) {
@@ -42,8 +44,9 @@ qulonglong SystemMemoryQuerier::totalMemoryBytes()
 #else
             QStringList parts = line.split(QRegularExpression("\\s+"), Qt::SkipEmptyParts);
 #endif
-            if (parts.size() >= 2)
+            if (parts.size() >= 2) {
                 return parts[1].toULongLong() * 1024; // kB → bytes
+            }
         }
     }
     return 0;
@@ -54,8 +57,9 @@ qulonglong SystemMemoryQuerier::totalMemoryBytes()
     qulonglong memsize = 0;
     size_t len = sizeof(memsize);
 
-    if (sysctl(mib, 2, &memsize, &len, nullptr, 0) == 0)
+    if (sysctl(mib, 2, &memsize, &len, nullptr, 0) == 0) {
         return memsize;
+    }
 
     return 0;
 
@@ -70,15 +74,17 @@ qulonglong SystemMemoryQuerier::availableMemoryBytes()
 
     MEMORYSTATUSEX statex;
     statex.dwLength = sizeof(statex);
-    if (GlobalMemoryStatusEx(&statex))
+    if (GlobalMemoryStatusEx(&statex)) {
         return statex.ullAvailPhys;
+    }
     return 0;
 
 #elif defined(Q_OS_LINUX)
 
     QFile file("/proc/meminfo");
-    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
         return 0;
+    }
 
     QTextStream in(&file);
     while (!in.atEnd()) {
@@ -89,8 +95,9 @@ qulonglong SystemMemoryQuerier::availableMemoryBytes()
 #else
             QStringList parts = line.split(QRegularExpression("\\s+"), Qt::SkipEmptyParts);
 #endif
-            if (parts.size() >= 2)
+            if (parts.size() >= 2) {
                 return parts[1].toULongLong() * 1024;
+            }
         }
     }
     return 0;
@@ -103,8 +110,9 @@ qulonglong SystemMemoryQuerier::availableMemoryBytes()
     mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
     vm_statistics64_data_t vmstat;
 
-    if (host_statistics64(mach_host_self(), HOST_VM_INFO, (host_info64_t)&vmstat, &count) != KERN_SUCCESS)
+    if (host_statistics64(mach_host_self(), HOST_VM_INFO, (host_info64_t)&vmstat, &count) != KERN_SUCCESS) {
         return 0;
+    }
 
     qulonglong freeBytes = (qulonglong)vmstat.free_count * (qulonglong)pageSize;