diff --git a/src/cpu/Makefile.am b/src/cpu/Makefile.am
index 5a8f26af..97ef51e2 100644
--- a/src/cpu/Makefile.am
+++ b/src/cpu/Makefile.am
@@ -2,4 +2,4 @@ SUBDIRS = core_16
 AM_CPPFLAGS = -I$(top_srcdir)/include
 
 noinst_LIBRARIES = libcpu.a
-libcpu_a_SOURCES = callback.cpp cpu.cpp flags.cpp modrm.cpp modrm.h slow_16.cpp
\ No newline at end of file
+libcpu_a_SOURCES = callback.cpp cpu.cpp flags.cpp modrm.cpp modrm.h slow_16.cpp instructions.h
\ No newline at end of file
diff --git a/src/cpu/core_16/Makefile.am b/src/cpu/core_16/Makefile.am
index f2f2d54f..27aa2848 100644
--- a/src/cpu/core_16/Makefile.am
+++ b/src/cpu/core_16/Makefile.am
@@ -1,3 +1,3 @@
 
-noinst_HEADERS = helpers.h instructions.h main.h prefix_66.h prefix_of.h start.h stop.h support.h table_ea.h \
+noinst_HEADERS = helpers.h main.h prefix_66.h prefix_of.h start.h stop.h support.h table_ea.h \
 		prefix_66_of.h