diff --git a/src/dos/dos_files.cpp b/src/dos/dos_files.cpp
index c4936d7b..33e6e663 100644
--- a/src/dos/dos_files.cpp
+++ b/src/dos/dos_files.cpp
@@ -488,12 +488,19 @@ bool DOS_FCBOpen(Bit16u seg,Bit16u offset) {
   constant=0x80;
   fcb.Set_record_size(constant);
     struct tm *time;
-	time=localtime(&stat_block.st_mtime);
+    if((time=localtime(&stat_block.st_mtime))!=0){
 
-	constant=(time->tm_hour<<11)+(time->tm_min<<5)+(time->tm_sec/2); /* standard way. */
-	fcb.Set_time(constant);
-    constant=((time->tm_year-80)<<9)+((time->tm_mon+1)<<5)+(time->tm_mday);
-    fcb.Set_date(constant);
+	    constant=(time->tm_hour<<11)+(time->tm_min<<5)+(time->tm_sec/2); /* standard way. */
+	    fcb.Set_time(constant);
+        constant=((time->tm_year-80)<<9)+((time->tm_mon+1)<<5)+(time->tm_mday);
+        fcb.Set_date(constant);
+    }
+    else{
+        constant=6;
+	    fcb.Set_time(constant);
+        constant=4;
+        fcb.Set_date(constant);
+    }
   fcb.Set_drive(drive +1);
   return true;
   }
diff --git a/src/dos/drive_local.cpp b/src/dos/drive_local.cpp
index 87e22bfb..670a1651 100644
--- a/src/dos/drive_local.cpp
+++ b/src/dos/drive_local.cpp
@@ -148,10 +148,14 @@ bool localDrive::FindNext(DTA_FindBlock * dta) {
 	dta->attr=tempattr;
 	dta->size=(Bit32u) stat_block.st_size;
 	struct tm *time;
-	time=localtime(&stat_block.st_mtime);
-
-	dta->time=(time->tm_hour<<11)+(time->tm_min<<5)+(time->tm_sec/2); /* standard way. */
-	dta->date=((time->tm_year-80)<<9)+((time->tm_mon+1)<<5)+(time->tm_mday);
+    if((time=localtime(&stat_block.st_mtime))!=0){
+    
+	    dta->time=(time->tm_hour<<11)+(time->tm_min<<5)+(time->tm_sec/2); /* standard way. */
+	    dta->date=((time->tm_year-80)<<9)+((time->tm_mon+1)<<5)+(time->tm_mday);
+    }else {
+        dta->time=6; 
+        dta->date=4;
+    }
 	return true;
 }