diff --git a/lib/src/spanish/ParadigmsSpa.gf b/lib/src/spanish/ParadigmsSpa.gf
index 960c623b1..e618af520 100644
--- a/lib/src/spanish/ParadigmsSpa.gf
+++ b/lib/src/spanish/ParadigmsSpa.gf
@@ -60,7 +60,10 @@ oper
   genitive   : Prep ; -- preposition "de" and its contractions
   dative     : Prep ; -- preposition "a" and its contractions
 
-  mkPrep : Str -> Prep ; -- other preposition
+  mkPrep : overload {
+    mkPrep : Str -> Prep ; -- other preposition
+    mkPrep : Str -> Prep -> Prep ; -- compound prepositions, e.g. "antes de", made as mkPrep "antes" genitive
+  } ;
 
 
 --2 Nouns
@@ -318,7 +321,11 @@ oper
   accusative = complAcc ** {lock_Prep = <>} ;
   genitive = complGen ** {lock_Prep = <>} ;
   dative = complDat ** {lock_Prep = <>} ;
-  mkPrep p = {s = p ; c = Acc ; isDir = False ; lock_Prep = <>} ;
+
+  mkPrep = overload {
+    mkPrep : Str -> Prep = \p -> {s = p ; c = Acc ; isDir = False ; lock_Prep = <>} ;
+    mkPrep : Str -> Prep -> Prep = \p,c -> {s = p ; c = c.c ; isDir = False ; lock_Prep = <>}
+  } ;
 
 
   mk2N x y g = mkNounIrreg x y g ** {lock_N = <>} ;