diff --git a/source/src/command.cpp b/source/src/command.cpp
index 275fb60a..e0b248b0 100644
--- a/source/src/command.cpp
+++ b/source/src/command.cpp
@@ -231,7 +231,7 @@ char *executeret(const char *p)                            // all evaluation hap
     const int MAXWORDS = 25;                    // limit, remove
     char *w[MAXWORDS];
     char *retval = NULL;
-    #define setretval(v) { char *rv = v; if(rv) retval = rv; commandret = NULL; }
+    #define setretval(v) { char *rv = v; if(rv) retval = rv; }
     for(bool cont = true; cont;)                // for each ; seperated statement
     {
         int numargs = MAXWORDS;
@@ -298,6 +298,7 @@ char *executeret(const char *p)                            // all evaluation hap
                         }
                     }
                     setretval(commandret);
+                    commandret = NULL;
                     break;
            
                 case ID_VAR:                        // game defined variables
diff --git a/source/src/menus.cpp b/source/src/menus.cpp
index 915479b9..bdcb1207 100644
--- a/source/src/menus.cpp
+++ b/source/src/menus.cpp
@@ -198,6 +198,7 @@ struct mitemtextinput : mitemtext
         const char *p = defaultvalueexp;
         char *r = executeret(p);
         s_strcpy(input.buf, r ? r : "");
+        if(r) delete[] r;
     }
 };
 
@@ -252,7 +253,11 @@ struct mitemslider : mitem
     {
         const char *p = valueexp;
         char *v = executeret(p);
-        if(v) value = min(max_, max(min_, atoi(v)));
+        if(v) 
+        {
+            value = min(max_, max(min_, atoi(v)));
+            delete[] v;
+        }
         displaycurvalue();
         getmaxvaluewidth();
     }
@@ -389,6 +394,7 @@ struct mitemcheckbox : mitem
         const char *p = valueexp;
         char *r = executeret(p);
         checked = (r && atoi(r) > 0);
+        if(r) delete[] r;
     }
 
     virtual void render(int x, int y, int w)