diff --git a/src/classify/intmatcher.cpp b/src/classify/intmatcher.cpp
index 8250ddd8..c6a5ea44 100644
--- a/src/classify/intmatcher.cpp
+++ b/src/classify/intmatcher.cpp
@@ -44,8 +44,8 @@ using tesseract::UnicharRating;
 // Parameters of the sigmoid used to convert similarity to evidence in the
 // similarity_evidence_table_ that is used to convert distance metric to an
 // 8 bit evidence value in the secondary matcher. (See IntMatcher::Init).
-const float IntegerMatcher::kSEExponentialMultiplier = 0.0;
-const float IntegerMatcher::kSimilarityCenter = 0.0075;
+const float IntegerMatcher::kSEExponentialMultiplier = 0.0f;
+const float IntegerMatcher::kSimilarityCenter = 0.0075f;
 
 static const uint8_t offset_table[] = {
   255, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 3,
@@ -402,7 +402,7 @@ class ClassPruner {
     results->init_to_size(num_classes_, empty);
     for (int c = 0; c < num_classes_; ++c) {
       (*results)[c].Class = sort_index_[num_classes_ - c];
-      (*results)[c].Rating = 1.0 - sort_key_[num_classes_ - c] /
+      (*results)[c].Rating = 1.0f - sort_key_[num_classes_ - c] /
         (static_cast<float>(CLASS_PRUNER_CLASS_MASK) * num_features_);
     }
     return num_classes_;