diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
index 932ac20e3da..086550912a6 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
@@ -1265,8 +1265,10 @@ CodeEmitterGK110::emitPFETCH(const Instruction *i)
 
    emitPredicate(i);
 
+   const int src1 = (i->predSrc == 1) ? 2 : 1; // if predSrc == 1, !srcExists(2)
+
    defId(i->def(0), 2);
-   srcId(i->src(1), 10);
+   srcId(i, src1, 10);
 }
 
 void
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
index dfb093cf1bc..1d469b1e42d 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
@@ -1441,8 +1441,10 @@ CodeEmitterNVC0::emitPFETCH(const Instruction *i)
 
    emitPredicate(i);
 
+   const int src1 = (i->predSrc == 1) ? 2 : 1; // if predSrc == 1, !srcExists(2)
+
    defId(i->def(0), 14);
-   srcId(i->src(1), 20);
+   srcId(i, src1, 20);
 }
 
 void