diff --git a/Pascal/File.h b/Pascal/File.h
index ec1ce91..bf127d1 100644
--- a/Pascal/File.h
+++ b/Pascal/File.h
@@ -4,6 +4,7 @@
 #include <Pascal/Date.h>
 
 #include <vector>
+#include <string>
 
 namespace Device {
     class BlockDevice;
diff --git a/apfm.cpp b/apfm.cpp
index d180465..33b222e 100644
--- a/apfm.cpp
+++ b/apfm.cpp
@@ -287,7 +287,7 @@ int main(int argc, char **argv)
     
 
     #ifdef __linux__
-    putenv("POSIXLY_CORRECT=1"); // fix getopt to not mutate
+    putenv((char *)"POSIXLY_CORRECT=1"); // fix getopt to not mutate
     #endif
 
     /*