diff --git a/fmu10/src/models/inc/modelDescription.xml b/fmu10/src/models/inc/modelDescription.xml
index 58ce6f8..1d7e6b8 100644
--- a/fmu10/src/models/inc/modelDescription.xml
+++ b/fmu10/src/models/inc/modelDescription.xml
@@ -11,3 +11,4 @@
      <Integer start="1" fixed="true"/>
   </ScalarVariable>
 </ModelVariables>
+</fmiModelDescription>
diff --git a/fmu10/src/models/values/values.c b/fmu10/src/models/values/values.c
index ca76c9b..e52dcf8 100644
--- a/fmu10/src/models/values/values.c
+++ b/fmu10/src/models/values/values.c
@@ -41,6 +41,8 @@ const char* month[] = {
     "august","sept","october","november","december"
 };
 
+static fmiStatus setString(fmiComponent comp, fmiValueReference vr, fmiString value);
+
 // called by fmiInstantiateModel
 // Set values for all variables that define a start value
 // Settings used unless changed by fmiSetX before fmiInitialize
diff --git a/fmu20/src/shared/sim_support.c b/fmu20/src/shared/sim_support.c
index da29cc1..afad2c4 100644
--- a/fmu20/src/shared/sim_support.c
+++ b/fmu20/src/shared/sim_support.c
@@ -105,14 +105,18 @@ int unzip(const char *zipPath, const char *outPath) {
     code = system(cmd);
     free(cmd);
     if (code!=SEVEN_ZIP_NO_ERROR) {
+        printf("%s: ", strstr("UNZIP_CMD", strchr("UNZIP_CMD", ' ')));
         switch (code) {
-            printf("7z: ");
-            case SEVEN_ZIP_WARNING:            printf("warning\n"); break;
-            case SEVEN_ZIP_ERROR:              printf("error\n"); break;
-            case SEVEN_ZIP_COMMAND_LINE_ERROR: printf("command line error\n"); break;
-            case SEVEN_ZIP_OUT_OF_MEMORY:      printf("out of memory\n"); break;
-            case SEVEN_ZIP_STOPPED_BY_USER:    printf("stopped by user\n"); break;
-            default: printf("unknown problem\n");
+            case 1:            printf("warning\n"); break;
+            case 2:            printf("error\n"); break;
+	    case 3:            printf("severe error\n"); break;
+            case 4:      
+            case 5:
+	    case 6:
+	    case 7:
+	      printf("out of memory\n"); break;
+   	    case 10:           printf("command line error\n"); break;
+	    default:           printf("unknown problem %d\n", code);
         }
     }
     
diff --git a/fmu20/src/shared/sim_support.h b/fmu20/src/shared/sim_support.h
index f520f1c..a780192 100644
--- a/fmu20/src/shared/sim_support.h
+++ b/fmu20/src/shared/sim_support.h
@@ -4,11 +4,17 @@
  * Copyright QTronic GmbH. All rights reserved.
  * -------------------------------------------------------------------------*/
 
+#if WINDOWS
 // Used 7z options, version 4.57:
 // -x   Extracts files from an archive with their full paths in the current dir, or in an output dir if specified
 // -aoa Overwrite All existing files without prompt
 // -o   Specifies a destination directory where files are to be extracted
 #define UNZIP_CMD "7z x -aoa -o"
+#else
+// -o   Overwrite existing files without prompting
+// -d   The directory in which to write files.
+#define UNZIP_CMD "unzip -o -d "
+#endif
 #define XML_FILE  "modelDescription.xml"
 #define RESULT_FILE "result.csv"
 #define BUFSIZE 4096