diff --git a/Meter.c b/Meter.c
index ab11d93b2..76b770c3c 100644
--- a/Meter.c
+++ b/Meter.c
@@ -494,16 +494,16 @@ static uint16_t GraphMeterMode_makeDetailsMask(const GraphColorComputeState* pre
       assert(blanksAtTopCell < 8);
       blanksAtEnd = (uint8_t)blanksAtTopCell;
       roundsUpInAscii = true;
-   } else if (prev->nCellsPainted == 0 || prev->topPoint <= prev->nCellsPainted) {
+   } else if (prev->nCellsPainted == 0 || prev->topPoint <= (double)(int)prev->nCellsPainted) {
       blanksAtEnd = (uint8_t)((1.0 - rem) * 8.0) % 8;
-   } else if (new->nCellsPainted > new->topPoint) {
-      assert(new->nCellsPainted - new->topPoint < 1.0);
+   } else if ((double)(int)new->nCellsPainted > new->topPoint) {
+      assert((int)new->nCellsPainted - new->topPoint < 1.0);
       // Unlike other conditions, this one rounds to nearest for visual reason.
       // In case of a tie, display the dot at lower position of the graph,
       // i.e. MSB of the "details" data.
       double fraction = (1.0 - rem) * 8.0;
       fraction -= (int)fraction;
-      double distance = (new->nCellsPainted - new->topPoint) * 8.0 + (1.0 - fraction) * 0.5;
+      double distance = ((double)(int)new->nCellsPainted - new->topPoint) * 8.0 + (1.0 - fraction) * 0.5;
       blanksAtEnd = (uint8_t)distance;
 
       // Tiebreaking direction that may be needed in the ASCII display mode.