diff --git a/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp b/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
index ba13e79ce..342145cf6 100644
--- a/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
+++ b/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
@@ -443,7 +443,9 @@ void WrappedOpenGL::glShaderSource(GLuint shader, GLsizei count, const GLchar *c
     m_Shaders[id].sources.reserve(count);
 
     for(GLsizei i = 0; i < count; i++)
-      m_Shaders[id].sources.push_back(string[i]);
+      m_Shaders[id].sources.push_back((length && length[i] > 0)
+                                          ? std::string(string[i], string[i] + length[i])
+                                          : std::string(string[i]));
   }
 }