diff --git a/src/effects/gradients/SkLinearGradient.cpp b/src/effects/gradients/SkLinearGradient.cpp
index 209b833973..7752aac51d 100644
--- a/src/effects/gradients/SkLinearGradient.cpp
+++ b/src/effects/gradients/SkLinearGradient.cpp
@@ -612,7 +612,8 @@ void SkLinearGradient::LinearGradientContext::shade4_dx_clamp(SkPMColor dstC[],
         if (fx < 0) {
             // count is guaranteed to be positive, but the first arg may overflow int32 after
             // increment => casting to uint32 ensures correct clamping.
-            int n = SkTMin<uint32_t>(SkFloatToIntFloor(-fx * invDx) + 1, count);
+            int n = SkTMin<uint32_t>(static_cast<uint32_t>(SkFloatToIntFloor(-fx * invDx)) + 1,
+                                     count);
             SkASSERT(n > 0);
             fill<apply_alpha>(dstC, n, rec[0].fColor);
             count -= n;
@@ -627,7 +628,8 @@ void SkLinearGradient::LinearGradientContext::shade4_dx_clamp(SkPMColor dstC[],
         if (fx > 1) {
             // count is guaranteed to be positive, but the first arg may overflow int32 after
             // increment => casting to uint32 ensures correct clamping.
-            int n = SkTMin<uint32_t>(SkFloatToIntFloor((1 - fx) * invDx) + 1, count);
+            int n = SkTMin<uint32_t>(static_cast<uint32_t>(SkFloatToIntFloor((1 - fx) * invDx)) + 1,
+                                     count);
             SkASSERT(n > 0);
             fill<apply_alpha>(dstC, n, rec[fRecs.count() - 1].fColor);
             count -= n;