diff --git a/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp b/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
index a7b1c3c1b..225f48257 100644
--- a/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
+++ b/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
@@ -183,6 +183,21 @@ bool WrappedOpenGL::Serialise_glShaderSource(GLuint shader, GLsizei count,
 
     m_Real.glShaderSource(GetResourceManager()->GetLiveResource(id).name, Count, strings, NULL);
 
+    // if we've already disassembled this shader, undo all that.
+    // Note this means we don't support compiling the same shader multiple times
+    // attached to different programs, but that is *utterly crazy* and anyone
+    // who tries to actually do that should be ashamed.
+    // Doing this means we support the case of recompiling a shader different ways
+    // and relinking a program before use, which is still moderately crazy and
+    // so people who do that should be moderately ashamed.
+    if(m_Shaders[liveId].prog)
+    {
+      m_Real.glDeleteProgram(m_Shaders[liveId].prog);
+      m_Shaders[liveId].prog = 0;
+      m_Shaders[liveId].spirv = SPVModule();
+      m_Shaders[liveId].reflection = ShaderReflection();
+    }
+
     delete[] strings;
   }