diff --git a/editor/import/resource_importer_wav.cpp b/editor/import/resource_importer_wav.cpp
index 52dec47343f..fdf11032581 100644
--- a/editor/import/resource_importer_wav.cpp
+++ b/editor/import/resource_importer_wav.cpp
@@ -409,12 +409,12 @@ Error ResourceImporterWAV::import(const String &p_source_file, const String &p_s
 			float amp = Math::abs(ampChannelSum / (float)format_channels);
 
 			if (!found && amp > limit) {
-				first = i / format_channels;
+				first = i;
 				found = true;
 			}
 
 			if (found && amp > limit) {
-				last = i / format_channels;
+				last = i;
 			}
 		}