diff --git a/lib/DirectoryEnumerator.cpp b/lib/DirectoryEnumerator.cpp
index 8a38ecc..ff6ead6 100644
--- a/lib/DirectoryEnumerator.cpp
+++ b/lib/DirectoryEnumerator.cpp
@@ -82,6 +82,7 @@ DirectoryEnumerator::DirectoryEnumerator(const SystemChar* path, Mode mode, bool
             sort.emplace(std::make_pair(d.cFileName, Entry(std::move(fp), d.cFileName, 0, true)));
         } while (FindNextFileW(dir, &d));
 
+        m_entries.reserve(sort.size());
         if (reverse)
             for (auto it = sort.crbegin(); it != sort.crend(); ++it)
                 m_entries.push_back(std::move(it->second));
@@ -117,6 +118,7 @@ DirectoryEnumerator::DirectoryEnumerator(const SystemChar* path, Mode mode, bool
                 sort.emplace(std::make_pair(st.st_size, Entry(std::move(fp), d.cFileName, st.st_size, false)));
             } while (FindNextFileW(dir, &d));
 
+            m_entries.reserve(sort.size());
             if (reverse)
                 for (auto it = sort.crbegin(); it != sort.crend(); ++it)
                     m_entries.push_back(std::move(it->second));
@@ -142,6 +144,7 @@ DirectoryEnumerator::DirectoryEnumerator(const SystemChar* path, Mode mode, bool
                 sort.emplace(std::make_pair(d.cFileName, Entry(std::move(fp), d.cFileName, st.st_size, false)));
             } while (FindNextFileW(dir, &d));
 
+            m_entries.reserve(sort.size());
             if (reverse)
                 for (auto it = sort.crbegin(); it != sort.crend(); ++it)
                     m_entries.push_back(std::move(it->second));
@@ -208,6 +211,7 @@ DirectoryEnumerator::DirectoryEnumerator(const SystemChar* path, Mode mode, bool
             sort.emplace(std::make_pair(d->d_name, Entry(std::move(fp), d->d_name, 0, true)));
         }
 
+        m_entries.reserve(sort.size());
         if (reverse)
             for (auto it = sort.crbegin(); it != sort.crend(); ++it)
                 m_entries.push_back(std::move(it->second));
@@ -242,6 +246,7 @@ DirectoryEnumerator::DirectoryEnumerator(const SystemChar* path, Mode mode, bool
                 sort.emplace(std::make_pair(st.st_size, Entry(std::move(fp), d->d_name, st.st_size, false)));
             }
 
+            m_entries.reserve(sort.size());
             if (reverse)
                 for (auto it = sort.crbegin(); it != sort.crend(); ++it)
                     m_entries.push_back(std::move(it->second));
@@ -267,6 +272,7 @@ DirectoryEnumerator::DirectoryEnumerator(const SystemChar* path, Mode mode, bool
                 sort.emplace(std::make_pair(d->d_name, Entry(std::move(fp), d->d_name, st.st_size, false)));
             }
 
+            m_entries.reserve(sort.size());
             if (reverse)
                 for (auto it = sort.crbegin(); it != sort.crend(); ++it)
                     m_entries.push_back(std::move(it->second));