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-rw-r--r--src/glsl/linker.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index e0823c3af4..02c7c29878 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -1476,7 +1476,7 @@ link_shaders(GLcontext *ctx, struct gl_shader_program *prog)
assign_uniform_locations(prog);
- if (prog->_LinkedShaders[0]->Type == GL_VERTEX_SHADER) {
+ if (prog->_NumLinkedShaders && prog->_LinkedShaders[0]->Type == GL_VERTEX_SHADER) {
/* FINISHME: The value of the max_attribute_index parameter is
* FINISHME: implementation dependent based on the value of
* FINISHME: GL_MAX_VERTEX_ATTRIBS. GL_MAX_VERTEX_ATTRIBS must be