diff --git a/src/russian/LexiconRus.gf b/src/russian/LexiconRus.gf
index 2c682068d..904c80891 100644
--- a/src/russian/LexiconRus.gf
+++ b/src/russian/LexiconRus.gf
@@ -21,7 +21,7 @@ lin
   bank_N = mkN "банк" ;
   bark_N = mkN "кора";
   beautiful_A = mkA "красивый";
-  become_VA = regV perfective second "станов" "лю" "стал" "стань" "стать" ;
+  become_VA = regV perfective secondA "станов" "лю" "стал" "стань" "стать" ;
   beer_N = mkIndeclinableNoun "пиво" neuter inanimate ;
   beg_V2V = dirV2 (mkV imperfective "прошу" "просишь" "просит" "просим" "просите" "просят" "просил" "проси" "просить" );
   belly_N = mkN "живот" ;
diff --git a/src/russian/MorphoRus.gf b/src/russian/MorphoRus.gf
index c11ac4574..f56c8ed1e 100644
--- a/src/russian/MorphoRus.gf
+++ b/src/russian/MorphoRus.gf
@@ -1228,6 +1228,14 @@ oper presentConj1Moch: Str -> Str -> Str -> PresentVerb = \del, sgP1End, altRoot
     PRF GPl P3 => del+ sgP1End + "т"
   };
 
+oper pastConjMoch: Str -> PastVerb = \del ->
+  table {
+    PSF  (GSg Masc) => del ;
+    PSF  (GSg Fem)  => del +"ла" ;
+    PSF  (GSg Neut)  => del+"ло" ;
+    PSF  GPl => del+ "ли"
+  };
+
 -- "PastVerb" takes care of the past tense conjugation.
 
 param PastVF = PSF GenNum ;
@@ -1285,7 +1293,7 @@ oper verbDeclMoch: Aspect -> Conjugation -> Str -> Str -> Str -> Str ->Str -> St
        let patt = case a of {
 	            Perfective   => mkVerbPerfective;
 		    Imperfective => mkVerbImperfective } in
-        patt inf imperSgP2 (presentConj1Moch del sgP1End altRoot) (pastConj sgMascPast);
+        patt inf imperSgP2 (presentConj1Moch del sgP1End altRoot) (pastConjMoch sgMascPast);
 
 oper add_sya : Voice -> Str -> Str = \v,x ->
        case v of {