diff --git a/src/core/SkVM.cpp b/src/core/SkVM.cpp
index 654ab8f97c..e7b3137d8e 100644
--- a/src/core/SkVM.cpp
+++ b/src/core/SkVM.cpp
@@ -1173,7 +1173,7 @@ namespace skvm {
         // Map min channel to 0, max channel to s, and scale the middle proportionally.
         auto scale = [&](auto c) {
             // TODO: better to divide and check for non-finite result?
-            return select(sat == 0.0f, 0.0f
+            return select(eq_op(0.0f, sat), 0.0f
                                      , ((c - mn) * s) / sat);
         };
         *r = scale(*r);
diff --git a/src/core/SkVM.h b/src/core/SkVM.h
index db5b273c45..5cf1ebba3c 100644
--- a/src/core/SkVM.h
+++ b/src/core/SkVM.h
@@ -882,6 +882,7 @@ namespace skvm {
     static inline I32 operator==(I32 x, I32 y) { return x->eq(x,y); }
     static inline I32 operator==(I32 x, int y) { return x->eq(x,y); }
     static inline I32 operator==(int x, I32 y) { return y->eq(x,y); }
+    static inline I32 eq_op(float x, F32  y) { return y->eq(x,y); }
 
     static inline I32 operator!=(I32 x, I32 y) { return x->neq(x,y); }
     static inline I32 operator!=(I32 x, int y) { return x->neq(x,y); }