1 files changed, 1 insertions, 1 deletions
diff --git a/qtools/qcstring.h b/qtools/qcstring.h
index 4f15b18..abf30b3 100644
--- a/qtools/qcstring.h
+++ b/qtools/qcstring.h
@@ -149,7 +149,7 @@ public:
     /** creates a string with room for size characters
      *  @param[in] size the number of character to allocate (including the 0-terminator)
      */
-    QCString( int size ) : m_rep(size)
+    explicit QCString( int size ) : m_rep(size)
     {
     }