diff --git a/include/SQLiteCpp/Exception.h b/include/SQLiteCpp/Exception.h
index 6fd92de..b064ad9 100644
--- a/include/SQLiteCpp/Exception.h
+++ b/include/SQLiteCpp/Exception.h
@@ -76,12 +76,14 @@ public:
     Exception(sqlite3* apSQLite, int ret);
 
     /// Return the result code (if any, otherwise -1).
-    int getErrorCode() const noexcept { // nothrow
+    inline int getErrorCode() const noexcept // nothrow
+    {
         return mErrcode;
     }
 
     /// Return the extended numeric result code (if any, otherwise -1).
-    int getExtendedErrorCode() const noexcept { // nothrow
+    inline int getExtendedErrorCode() const noexcept // nothrow
+    {
         return mExtendedErrcode;
     }