diff --git a/code/io/importYaml.m b/code/io/importYaml.m
index 90ecae9c..b10adbd1 100644
--- a/code/io/importYaml.m
+++ b/code/io/importYaml.m
@@ -226,7 +226,7 @@
                 
             otherwise
                 if readSubsystems
-                    subSystems = {regexprep(tline_value, '^ *- (.+)$','$1')};
+                    subSystems(end+1,1) = {regexprep(tline_value, '^ *- (.+)$','$1')};
 
                 % resolve the equation
                 elseif readEquation
diff --git a/model/Human-GEM.yml b/model/Human-GEM.yml
index 94392fd2..c8a61aa9 100644
--- a/model/Human-GEM.yml
+++ b/model/Human-GEM.yml
@@ -307292,8 +307292,8 @@
     - !!omap
       - id: "MAR20111"
       - name: "MAR20111"
-      - metabolties: !!omap
-          - MAM1261m: -1
+      - metabolites: !!omap
+          - MAM01261m: -1
           - MAM01597m: 1
           - MAM02007m: -1
           - MAM02040m: -1