diff --git a/src/runtime/c/pgf/jit.c b/src/runtime/c/pgf/jit.c
index 393cf67d4..35ef3ca05 100644
--- a/src/runtime/c/pgf/jit.c
+++ b/src/runtime/c/pgf/jit.c
@@ -6,6 +6,9 @@
 #include <pgf/evaluator.h>
 #include <pgf/reader.h>
 #include "lightning.h"
+#ifdef __MINGW32__
+#include <malloc.h>
+#endif
 
 //#define PGF_JIT_DEBUG