diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
index e2d702389..9f8784797 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
@@ -236,7 +236,7 @@ Id EmitFindILsb64(EmitContext& ctx, Id value) {
     const Id hi{ctx.OpCompositeExtract(ctx.U32[1], unpacked, 1U)};
     const Id lo_lsb{ctx.OpFindILsb(ctx.U32[1], lo)};
     const Id hi_lsb{ctx.OpFindILsb(ctx.U32[1], hi)};
-    const Id found_lo{ctx.OpINotEqual(ctx.U32[1], lo_lsb, ctx.ConstU32(u32(-1)))};
+    const Id found_lo{ctx.OpINotEqual(ctx.U1[1], lo_lsb, ctx.ConstU32(u32(-1)))};
     return ctx.OpSelect(ctx.U32[1], found_lo, lo_lsb, hi_lsb);
 }