diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9a6b50..c1d3e37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
 # 0.3.0
+* macOSでOS情報の修正
 * macOS: 解像度の追加
 
 # 0.2.0
diff --git a/src/os.c b/src/os.c
index e1c15f4..bea876f 100644
--- a/src/os.c
+++ b/src/os.c
@@ -1,7 +1,28 @@
 #include "os.h"
 #include "common.h"
 
+#include <stdio.h>
+#include <stdlib.h>
+
 const char *display_os() {
-  return run_command_s("uname -s && echo \" \" && uname -r && "
-                       "echo \" \" && uname -m");
+  const char *osname = NULL;
+  const char *osversion = NULL;
+  const char *osarch = NULL;
+
+#if defined(__APPLE__)
+  osname = run_command_s("sw_vers | grep \"ProductName\" | awk '{print $2}'");
+  osversion = run_command_s("sw_vers | grep \"ProductVersion\" | awk '{print $2}'");
+#else
+  osname = run_command_s("uname -s");
+  osversion = run_command_s("uname -r");
+#endif
+  osarch = run_command_s("uname -m");
+
+  char *cmd = (char *)malloc(128 * sizeof(char));
+  snprintf(cmd, 128, "%s %s %s", osname, osversion, osarch);
+  free((void *)osname);
+  free((void *)osversion);
+  free((void *)osarch);
+
+  return cmd;
 }