diff --git a/include/dawn/native/VulkanBackend.h b/include/dawn/native/VulkanBackend.h
index 201bc3242f..3221ad2e37 100644
--- a/include/dawn/native/VulkanBackend.h
+++ b/include/dawn/native/VulkanBackend.h
@@ -83,7 +83,7 @@ struct ExternalImageExportInfoVk : ExternalImageExportInfo {
 };
 
 // Can't use DAWN_PLATFORM_IS(LINUX) since header included in both Dawn and Chrome
-#if defined(__linux__) || defined(__Fuchsia__)
+#if defined(__linux__) || defined(__Fuchsia__) || defined(__OpenBSD__) || defined(__FreeBSD__)
 
 // Common properties of external images represented by FDs. On successful import the file
 // descriptor's ownership is transferred to the Dawn implementation and they shouldn't be
diff --git a/src/dawn/common/Platform.h b/src/dawn/common/Platform.h
index b4ac61004d..cbc5c7b8b5 100644
--- a/src/dawn/common/Platform.h
+++ b/src/dawn/common/Platform.h
@@ -60,6 +60,11 @@
 #error "Unsupported Windows platform."
 #endif
 
+#elif defined(__OpenBSD__) || defined(__FreeBSD__)
+#define DAWN_PLATFORM_IS_LINUX 1
+#define DAWN_PLATFORM_IS_BSD 1
+#define DAWN_PLATFORM_IS_POSIX 1
+
 #elif defined(__linux__)
 #define DAWN_PLATFORM_IS_LINUX 1
 #define DAWN_PLATFORM_IS_POSIX 1
diff --git a/src/dawn/native/vulkan/BackendVk.cpp b/src/dawn/native/vulkan/BackendVk.cpp
index 783a15ab55..29405d2003 100644
--- a/src/dawn/native/vulkan/BackendVk.cpp
+++ b/src/dawn/native/vulkan/BackendVk.cpp
@@ -57,7 +57,7 @@ constexpr char kSwiftshaderLibName[] = "libvk_swiftshader.dylib";
 #endif
 
 #if DAWN_PLATFORM_IS(LINUX)
-#if DAWN_PLATFORM_IS(ANDROID)
+#if DAWN_PLATFORM_IS(ANDROID) || DAWN_PLATFORM_IS(BSD)
 constexpr char kVulkanLibName[] = "libvulkan.so";
 #else
 constexpr char kVulkanLibName[] = "libvulkan.so.1";