diff --git a/contrib/fuzzing/fuzz.cpp b/contrib/fuzzing/fuzz.cpp
index 4a60481f7de..4e12367b30b 100644
--- a/contrib/fuzzing/fuzz.cpp
+++ b/contrib/fuzzing/fuzz.cpp
@@ -63,7 +63,7 @@ int main( int argc, char * argv[] ) {
 		OpenMPT::mpt::reinit_global_random();
 		openmpt_module * mod = openmpt_module_create_from_memory2( fileBuffer, fileSize, nullptr, nullptr, ErrFunc, nullptr, nullptr, nullptr, nullptr);
 		if ( mod == NULL )
-			return 1;
+			break;
 
 		// verify API contract: If the file can be loaded, header probing must be successful too.
 		if ( openmpt_probe_file_header( OPENMPT_PROBE_FILE_HEADER_FLAGS_DEFAULT, fileBuffer, fileSize, fileSize, nullptr, nullptr, ErrFunc, nullptr, nullptr, nullptr ) == OPENMPT_PROBE_FILE_HEADER_RESULT_FAILURE )
diff --git a/soundlib/Load_psm.cpp b/soundlib/Load_psm.cpp
index 9f0f41c730a..e746e9f6298 100644
--- a/soundlib/Load_psm.cpp
+++ b/soundlib/Load_psm.cpp
@@ -234,19 +234,6 @@ CSoundFile::ProbeResult CSoundFile::ProbeFileHeaderPSM(MemoryFileReader file, co
 	{
 		return ProbeFailure;
 	}
-	PSMChunk chunkHeader;
-	if(!file.ReadStruct(chunkHeader))
-	{
-		return ProbeWantMoreData;
-	}
-	if(chunkHeader.length == 0)
-	{
-		return ProbeFailure;
-	}
-	if((chunkHeader.id & 0x7F7F7F7Fu) != chunkHeader.id) // ASCII?
-	{
-		return ProbeFailure;
-	}
 	MPT_UNREFERENCED_PARAMETER(pfilesize);
 	return ProbeSuccess;
 }