diff --git a/rustysynth/src/generator.rs b/rustysynth/src/generator.rs
index ef83454..33b7487 100644
--- a/rustysynth/src/generator.rs
+++ b/rustysynth/src/generator.rs
@@ -26,7 +26,7 @@ impl Generator {
         reader: &mut R,
         size: usize,
     ) -> Result<Vec<Generator>, SoundFontError> {
-        if size % 4 != 0 {
+        if size == 0 || size % 4 != 0 {
             return Err(SoundFontError::InvalidGeneratorList);
         }
 
diff --git a/rustysynth/src/sample_header.rs b/rustysynth/src/sample_header.rs
index 5890d8e..e5092c2 100644
--- a/rustysynth/src/sample_header.rs
+++ b/rustysynth/src/sample_header.rs
@@ -51,7 +51,7 @@ impl SampleHeader {
         reader: &mut R,
         size: usize,
     ) -> Result<Vec<SampleHeader>, SoundFontError> {
-        if size % 46 != 0 {
+        if size == 0 || size % 46 != 0 {
             return Err(SoundFontError::InvalidSampleHeaderList);
         }
 
diff --git a/rustysynth/src/zone_info.rs b/rustysynth/src/zone_info.rs
index 40878ea..76579d6 100644
--- a/rustysynth/src/zone_info.rs
+++ b/rustysynth/src/zone_info.rs
@@ -28,7 +28,7 @@ impl ZoneInfo {
         reader: &mut R,
         size: usize,
     ) -> Result<Vec<ZoneInfo>, SoundFontError> {
-        if size % 4 != 0 {
+        if size == 0 || size % 4 != 0 {
             return Err(SoundFontError::InvalidZoneList);
         }