diff --git a/src/Makefile.am b/src/Makefile.am
index 362bef115255dac3e46d19fa3b05d2b01a0b9347..30fe47cc9185e5b1036352ca4c847bbf67b7eec6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,4 +30,4 @@ unit_test_math_utils_LDADD=librock.a
 librock_a_SOURCES = $(SRC)
 
 SRC = math_utils.cpp low_level_utils.cpp fqreader.cpp FqBaseBackend.cpp FqAuxBackend.cpp FqMainBackend.cpp read_utils.cpp ReadProcessor.cpp fqwriter.cpp ROCKparams.cpp unit_tests_tools.cpp
-HDR = math_utils.h low_level_utils.h srp.h fqreader.h FqConstants.h FqBaseBackend.h FqAuxBackend.h FqMainBackend.h ReadProcessor.h rock_commons.h read_utils.h CountMinSketch.hpp Filter.hpp fqwriter.h ROCKparams.h unit_tests_tools.h
+HDR = DnaSeqStr.h math_utils.h low_level_utils.h srp.h fqreader.h FqConstants.h FqBaseBackend.h FqAuxBackend.h FqMainBackend.h ReadProcessor.h rock_commons.h read_utils.h CountMinSketch.hpp Filter.hpp fqwriter.h ROCKparams.h unit_tests_tools.h