diff --git a/gfx/skia/generate_mozbuild.py b/gfx/skia/generate_mozbuild.py
index 4191cfc98528..2e716febfb4f 100755
--- a/gfx/skia/generate_mozbuild.py
+++ b/gfx/skia/generate_mozbuild.py
@@ -68,7 +68,7 @@ LOCAL_INCLUDES += [
 ]
 
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
-    if CONFIG['CC_TYPE'] == 'gcc':
+    if CONFIG['CC_TYPE'] in ('gcc', 'clang'):
         DEFINES['SK_JUMPER_USE_ASSEMBLY'] = 0
     elif CONFIG['CPU_ARCH'] == 'x86':
         SOURCES['skia/src/jumper/SkJumper_generated_win.S'].flags += ['-safeseh']
@@ -456,7 +456,7 @@ def write_mozbuild(sources):
   write_sources(f, sources['linux'], 4)
 
   f.write("if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':\n")
-  f.write("    if CONFIG['CC_TYPE'] != 'gcc':\n")
+  f.write("    if CONFIG['CC_TYPE'] not in ('gcc', 'clang'):\n")
   write_list(f, "SOURCES", sources['no-mingw'], 8)
   # Windows-specific files don't get unification because of nasty headers.
   # Luckily there are not many files in this.
diff --git a/gfx/skia/moz.build b/gfx/skia/moz.build
index eb7d961f6119..abad4e84c325 100755
--- a/gfx/skia/moz.build
+++ b/gfx/skia/moz.build
@@ -626,7 +626,7 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gtk3':
         'skia/src/ports/SkFontHost_FreeType_common.cpp',
     ]
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
-    if CONFIG['CC_TYPE'] != 'gcc':
+    if CONFIG['CC_TYPE'] not in ('gcc', 'clang'):
         SOURCES += [
             'skia/src/jumper/SkJumper_generated_win.S',
         ]
@@ -742,7 +742,7 @@ LOCAL_INCLUDES += [
 ]
 
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
-    if CONFIG['CC_TYPE'] == 'gcc':
+    if CONFIG['CC_TYPE'] in ('gcc', 'clang'):
         DEFINES['SK_JUMPER_USE_ASSEMBLY'] = 0
     elif CONFIG['CPU_ARCH'] == 'x86':
         SOURCES['skia/src/jumper/SkJumper_generated_win.S'].flags += ['-safeseh']