diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
index be00db31315..6eefe8f0025 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
@@ -2863,6 +2863,7 @@ void
 CodeEmitterGM107::emitTEXS()
 {
    const TexInstruction *insn = this->insn->asTex();
+   assert(!insn->tex.derivAll);
 
    switch (insn->op) {
    case OP_TEX:
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
index 322b79fe62e..f4379c137c5 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
@@ -2142,7 +2142,8 @@ bool
 RegAlloc::InsertConstraintsPass::isScalarTexGM107(TexInstruction *tex)
 {
    if (tex->tex.sIndirectSrc >= 0 ||
-       tex->tex.rIndirectSrc >= 0)
+       tex->tex.rIndirectSrc >= 0 ||
+       tex->tex.derivAll)
       return false;
 
    if (tex->tex.mask == 5 || tex->tex.mask == 6)