diff --git a/platform/util/src/com/intellij/openapi/util/io/FileSystemUtil.java b/platform/util/src/com/intellij/openapi/util/io/FileSystemUtil.java
index f233ed559089..03c7ed72ad7c 100644
--- a/platform/util/src/com/intellij/openapi/util/io/FileSystemUtil.java
+++ b/platform/util/src/com/intellij/openapi/util/io/FileSystemUtil.java
@@ -288,11 +288,12 @@ public final class FileSystemUtil {
       else if ("linux-ppc".equals(Platform.RESOURCE_PREFIX)) myOffsets = LNX_PPC32;
       else if ("linux-ppc64le".equals(Platform.RESOURCE_PREFIX)) myOffsets = LNX_PPC64;
       else if ("darwin".equals(Platform.RESOURCE_PREFIX)) myOffsets = BSD_64;
+      else if ("darwin-x86-64".equals(Platform.RESOURCE_PREFIX)) myOffsets = BSD_64;
       else if ("freebsd-x86".equals(Platform.RESOURCE_PREFIX)) myOffsets = SystemInfo.isOsVersionAtLeast("12") ? BSD_32_12 : BSD_32;
       else if ("freebsd-x86-64".equals(Platform.RESOURCE_PREFIX)) myOffsets = SystemInfo.isOsVersionAtLeast("12") ? BSD_64_12 : BSD_64;
       else if ("sunos-x86".equals(Platform.RESOURCE_PREFIX)) myOffsets = SUN_OS_32;
       else if ("sunos-x86-64".equals(Platform.RESOURCE_PREFIX)) myOffsets = SUN_OS_64;
-      else throw new IllegalStateException("Unsupported OS/arch: " + SystemInfo.OS_NAME + "/" + SystemInfo.OS_ARCH);
+      else throw new IllegalStateException("Unsupported OS/arch: " + Platform.RESOURCE_PREFIX);
 
       Map<String, String> options = Collections.singletonMap(Library.OPTION_STRING_ENCODING, CharsetToolkit.getPlatformCharset().name());
       NativeLibrary lib = NativeLibrary.getInstance("c", options);