diff --git a/ephy-uri-tester.c b/ephy-uri-tester.c
index f5ced5b..c87fe33 100644
--- a/ephy-uri-tester.c
+++ b/ephy-uri-tester.c
@@ -930,8 +930,8 @@ ephy_uri_tester_load (EphyUriTester *tester)
 #define EXE "wyebab"
 
 #if DEBUG
-# define D(f, ...) g_print(#f"\n", __VA_ARGS__);
-# define DD(a) g_print(#a"\n");
+# define D(f, ...) g_print("#"#f"\n", __VA_ARGS__);
+# define DD(a) g_print("#"#a"\n");
 #else
 # define D(f, ...) ;
 # define DD(a) ;
diff --git a/wyebrun.c b/wyebrun.c
index 2dfb1da..633048d 100644
--- a/wyebrun.c
+++ b/wyebrun.c
@@ -43,8 +43,8 @@ along with wyebrun.  If not, see <http://www.gnu.org/licenses/>.
 
 #if DEBUG
 static gint64 start;
-# define D(f, ...) g_print(#f"\n", __VA_ARGS__);
-# define DD(a) g_print(#a"\n");
+# define D(f, ...) g_print("#"#f"\n", __VA_ARGS__);
+# define DD(a) g_print("#"#a"\n");
 #else
 # define D(...) ;
 # define DD(a) ;