1 files changed, 4 insertions, 2 deletions
diff --git a/src/hash_map.h b/src/hash_map.h
index 076f6c0..c63aa88 100644
--- a/src/hash_map.h
+++ b/src/hash_map.h
@@ -15,6 +15,7 @@
 #ifndef NINJA_MAP_H_
 #define NINJA_MAP_H_
 
+#include <string.h>
 #include "string_piece.h"
 
 // MurmurHash2, by Austin Appleby
@@ -24,9 +25,10 @@ unsigned int MurmurHash2(const void* key, size_t len) {
   const unsigned int m = 0x5bd1e995;
   const int r = 24;
   unsigned int h = seed ^ len;
-  const unsigned char * data = (const unsigned char *)key;
+  const unsigned char* data = (const unsigned char*)key;
   while (len >= 4) {
-    unsigned int k = *(unsigned int *)data;
+    unsigned int k;
+    memcpy(&k, data, sizeof k);
     k *= m;
     k ^= k >> r;
     k *= m;