diff --git a/modules/juce_audio_basics/effects/juce_IIRFilter.cpp b/modules/juce_audio_basics/effects/juce_IIRFilter.cpp
index 08648b418c..b961a6a98f 100644
--- a/modules/juce_audio_basics/effects/juce_IIRFilter.cpp
+++ b/modules/juce_audio_basics/effects/juce_IIRFilter.cpp
@@ -23,7 +23,7 @@
 */
 
 #if JUCE_INTEL
- #define JUCE_SNAP_TO_ZERO(n)    if (! (n < -1.0e-8 || n > 1.0e-8)) n = 0;
+ #define JUCE_SNAP_TO_ZERO(n)    if (! (n < -1.0e-8f || n > 1.0e-8f)) n = 0;
 #else
  #define JUCE_SNAP_TO_ZERO(n)
 #endif