diff --git a/plugins/channelrx/demoddab/dabdemodsink.cpp b/plugins/channelrx/demoddab/dabdemodsink.cpp
index 86d9e0d8a..44a62673e 100644
--- a/plugins/channelrx/demoddab/dabdemodsink.cpp
+++ b/plugins/channelrx/demoddab/dabdemodsink.cpp
@@ -366,7 +366,7 @@ void DABDemodSink::tii(int tii)
     }
 }
 
-static int16_t scale(int16_t sample, float factor)
+static int16_t scale(Real sample, float factor)
 {
     int32_t prod = (int32_t)(((int32_t)sample) * factor);
     prod = std::min(prod, 32767);