diff --git a/src/popupwin.c b/src/popupwin.c
index 6d12c92..3c489eb 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -1087,7 +1087,7 @@
 		    {
 			int col = dict_get_number(dict, "col");
 
-			prop_add_common( lnum, col, dict, buf, NULL);
+			prop_add_common(lnum, col, dict, buf, NULL);
 		    }
 		}
 	    }