diff --git a/fuzzers/frida_libpng/src/fuzzer.rs b/fuzzers/frida_libpng/src/fuzzer.rs
index 8297ba20c3..83687093d3 100644
--- a/fuzzers/frida_libpng/src/fuzzer.rs
+++ b/fuzzers/frida_libpng/src/fuzzer.rs
@@ -140,7 +140,7 @@ unsafe fn fuzz(options: &FuzzerOptions) -> Result<(), Error> {
                         // RNG
                         StdRand::with_seed(current_nanos()),
                         // Corpus that will be evolved, we keep it in memory for performance
-                        CachedOnDiskCorpus::no_meta(PathBuf::from("./corpus_discovered"), 4)
+                        CachedOnDiskCorpus::no_meta(PathBuf::from("./corpus_discovered"), 64)
                             .unwrap(),
                         // Corpus in which we store solutions (crashes in this example),
                         // on disk so the user can get them after stopping the fuzzer
@@ -256,7 +256,7 @@ unsafe fn fuzz(options: &FuzzerOptions) -> Result<(), Error> {
                         // RNG
                         StdRand::with_seed(current_nanos()),
                         // Corpus that will be evolved, we keep it in memory for performance
-                        CachedOnDiskCorpus::no_meta(PathBuf::from("./corpus_discovered"), 4)
+                        CachedOnDiskCorpus::no_meta(PathBuf::from("./corpus_discovered"), 64)
                             .unwrap(),
                         // Corpus in which we store solutions (crashes in this example),
                         // on disk so the user can get them after stopping the fuzzer
@@ -386,7 +386,7 @@ unsafe fn fuzz(options: &FuzzerOptions) -> Result<(), Error> {
                         // RNG
                         StdRand::with_seed(current_nanos()),
                         // Corpus that will be evolved, we keep it in memory for performance
-                        CachedOnDiskCorpus::no_meta(PathBuf::from("./corpus_discovered"), 4)
+                        CachedOnDiskCorpus::no_meta(PathBuf::from("./corpus_discovered"), 64)
                             .unwrap(),
                         // Corpus in which we store solutions (crashes in this example),
                         // on disk so the user can get them after stopping the fuzzer