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-rw-r--r--src/mesa/main/program.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/main/program.c b/src/mesa/main/program.c
index 07ab420bcf7..fe816e344b7 100644
--- a/src/mesa/main/program.c
+++ b/src/mesa/main/program.c
@@ -590,7 +590,7 @@ _mesa_fetch_state(GLcontext *ctx, const enum state_index state[],
value[0] = ctx->Fog.Density;
value[1] = ctx->Fog.Start;
value[2] = ctx->Fog.End;
- value[3] = 1.0F / (ctx->Fog.End - ctx->Fog.End);
+ value[3] = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
return;
case STATE_CLIPPLANE:
{