diff --git a/include/SQLiteCpp/Column.h b/include/SQLiteCpp/Column.h
index 0f19459..dbef68c 100644
--- a/include/SQLiteCpp/Column.h
+++ b/include/SQLiteCpp/Column.h
@@ -10,8 +10,6 @@
  */
 #pragma once
 
-#include <sqlite3.h>
-
 #include <SQLiteCpp/Statement.h>
 #include <SQLiteCpp/Exception.h>
 
@@ -236,10 +234,8 @@ public:
 #endif
 
     /// Return UTF-8 encoded English language explanation of the most recent error.
-    inline const char* errmsg() const
-    {
-        return sqlite3_errmsg(mStmtPtr);
-    }
+    const char* errmsg() const;
+
 private:
     Statement::Ptr  mStmtPtr;   //!< Shared Pointer to the prepared SQLite Statement Object
     int             mIndex;     //!< Index of the column in the row of result, starting at 0
diff --git a/src/Column.cpp b/src/Column.cpp
index 3211ee3..81d61c4 100644
--- a/src/Column.cpp
+++ b/src/Column.cpp
@@ -10,6 +10,8 @@
  */
 #include <SQLiteCpp/Column.h>
 
+#include <sqlite3.h>
+
 #include <iostream>
 
 
@@ -104,6 +106,12 @@ int Column::getBytes() const noexcept // nothrow
     return sqlite3_column_bytes(mStmtPtr, mIndex);
 }
 
+// Return UTF-8 encoded English language explanation of the most recent error.
+const char* Column::errmsg() const
+{
+    return sqlite3_errmsg(mStmtPtr);
+}
+
 // Standard std::ostream inserter
 std::ostream& operator<<(std::ostream& aStream, const Column& aColumn)
 {