diff --git a/src/igl/opengl/Version.cpp b/src/igl/opengl/Version.cpp
index 6b7084cff2..3bd52fcb3d 100644
--- a/src/igl/opengl/Version.cpp
+++ b/src/igl/opengl/Version.cpp
@@ -223,6 +223,13 @@ GLVersion getGLVersion(const char* version, bool constrain) {
 }
 
 ShaderVersion getShaderVersion(GLVersion version) {
+#if IGL_PLATFORM_LINUX_SWIFTSHADER
+  // Swiftshader has a bug when it comes to uniform blocks. When calling
+  // `glGetActiveUniformsiv(,..,GL_UNIFORM_OFFSET, ...)`, it always returns -1. We work around this
+  // by forcing GLSL ES 100 shaders in swiftshaders.
+  // TODO(dunfanlu): consider patching swift shaders to fix this.
+  return {ShaderFamily::GlslEs, 1, 0};
+#else
   // TODO: Return proper GLSL ES versions
   switch (version) {
   case GLVersion::v2_0_ES:
@@ -263,6 +270,7 @@ ShaderVersion getShaderVersion(GLVersion version) {
     IGL_ASSERT_NOT_REACHED();
     return {};
   }
+#endif
 }
 
 std::string getStringFromShaderVersion(ShaderVersion version) {