diff --git a/src/wp-includes/functions.wp-styles.php b/src/wp-includes/functions.wp-styles.php
index a582f5c872..83db482cc0 100644
--- a/src/wp-includes/functions.wp-styles.php
+++ b/src/wp-includes/functions.wp-styles.php
@@ -75,7 +75,7 @@ function wp_add_inline_style( $handle, $data ) {
 	}
 
 	if ( false !== stripos( $data, '</style>' ) ) {
-		_doing_it_wrong( __FUNCTION__, 'Do not pass style tags to wp_add_inline_style().', '3.7' );
+		_doing_it_wrong( __FUNCTION__, __( 'Do not pass style tags to wp_add_inline_style().' ), '3.7' );
 		$data = trim( preg_replace( '#<style[^>]*>(.*)</style>#is', '$1', $data ) );
 	}
 
diff --git a/src/wp-includes/theme.php b/src/wp-includes/theme.php
index 85119eda1e..5ef8aed7ed 100644
--- a/src/wp-includes/theme.php
+++ b/src/wp-includes/theme.php
@@ -1482,7 +1482,7 @@ function add_theme_support( $feature ) {
 				// Build an array of types for back-compat.
 				$args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) );
 			} elseif ( ! is_array( $args[0] ) ) {
-				_doing_it_wrong( "add_theme_support( 'html5' )", 'You need to pass an array of types.', '3.6.1' );
+				_doing_it_wrong( "add_theme_support( 'html5' )", __( 'You need to pass an array of types.' ), '3.6.1' );
 				return false;
 			}
 
diff --git a/src/wp-includes/wp-db.php b/src/wp-includes/wp-db.php
index c093d0c95b..bc5bef36a8 100644
--- a/src/wp-includes/wp-db.php
+++ b/src/wp-includes/wp-db.php
@@ -1042,7 +1042,11 @@ class wpdb {
 		}
 
 		$class = get_class( $this );
-		_doing_it_wrong( $class, "$class must set a database connection for use with escaping.", E_USER_NOTICE );
+		if ( function_exists( '__' ) ) {
+			_doing_it_wrong( $class, sprintf( __( '%s must set a database connection for use with escaping.' ), $class ), E_USER_NOTICE );
+		} else {
+			_doing_it_wrong( $class, sprintf( '%s must set a database connection for use with escaping.', $class ), E_USER_NOTICE );
+		}
 		return addslashes( $string );
 	}