diff --git a/Meter.c b/Meter.c
index f1a097137..369e4fb8a 100644
--- a/Meter.c
+++ b/Meter.c
@@ -511,7 +511,7 @@ static uint16_t GraphMeterMode_makeDetailsMask(const GraphColorComputeState* pre
    // (1.0 - rem) will not round to 1.0.
    assert(rem <= 0.0 || rem >= (1.0 / UINT8_MAX));
 
-   double maxBlanks = (1.0 - rem) * 8.0;
+   double maxBlanks = 8.0 - rem * 8.0;
 
    uint8_t blanksAtEnd;
    bool roundsUpInAscii = false;