diff --git a/core/Makefile.am b/core/Makefile.am
index 6a4f353..ccbff94 100644
--- a/core/Makefile.am
+++ b/core/Makefile.am
@@ -35,11 +35,11 @@
 
 if USE_GLIB
 libloc_core_la_CFLAGS = -DUSE_GLIB $(AM_CFLAGS) @GLIB_CFLAGS@
-libloc_core_la_LDFLAGS = -lstdc++ -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
+libloc_core_la_LDFLAGS = -lstdc++ -Wl,-z,defs -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
 libloc_core_la_CPPFLAGS = -DUSE_GLIB $(AM_CFLAGS) $(AM_CPPFLAGS) @GLIB_CFLAGS@
 else
 libloc_core_la_CFLAGS = $(AM_CFLAGS)
-libloc_core_la_LDFLAGS = -lpthread -shared -version-info 1:0:0
+libloc_core_la_LDFLAGS = -Wl,-z,defs -lpthread -shared -version-info 1:0:0
 libloc_core_la_CPPFLAGS = $(AM_CFLAGS) $(AM_CPPFLAGS)
 endif
 
diff --git a/utils/Makefile.am b/utils/Makefile.am
index f816565..b121dc8 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -41,11 +41,11 @@
 
 if USE_GLIB
 libgps_utils_so_la_CFLAGS = -DUSE_GLIB $(AM_CFLAGS) @GLIB_CFLAGS@
-libgps_utils_so_la_LDFLAGS = -lstdc++ -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
+libgps_utils_so_la_LDFLAGS = -lstdc++ -Wl,-z,defs -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
 libgps_utils_so_la_CPPFLAGS = -DUSE_GLIB $(AM_CFLAGS) $(AM_CPPFLAGS) @GLIB_CFLAGS@
 else
 libgps_utils_so_la_CFLAGS = $(AM_CFLAGS)
-libgps_utils_so_la_LDFLAGS = -lpthread -shared -version-info 1:0:0
+libgps_utils_so_la_LDFLAGS = -Wl,-z,defs -lpthread -shared -version-info 1:0:0
 libgps_utils_so_la_CPPFLAGS = $(AM_CFLAGS) $(AM_CPPFLAGS)
 endif
 
diff --git a/utils/platform_lib_abstractions/loc_pla/src/Makefile.am b/utils/platform_lib_abstractions/loc_pla/src/Makefile.am
index 6ee0be7..d82aa55 100644
--- a/utils/platform_lib_abstractions/loc_pla/src/Makefile.am
+++ b/utils/platform_lib_abstractions/loc_pla/src/Makefile.am
@@ -27,11 +27,11 @@
 
 if USE_GLIB
 libloc_pla_la_CFLAGS = -DUSE_GLIB $(AM_CFLAGS) @GLIB_CFLAGS@
-libloc_pla_la_LDFLAGS = -lstdc++ -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
+libloc_pla_la_LDFLAGS = -lstdc++ -Wl,-z,defs -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
 libloc_pla_la_CPPFLAGS = -DUSE_GLIB $(AM_CFLAGS) $(AM_CPPFLAGS) @GLIB_CFLAGS@
 else
 libloc_pla_la_CFLAGS = $(AM_CFLAGS)
-libloc_pla_la_LDFLAGS = -lpthread -shared -version-info 1:0:0
+libloc_pla_la_LDFLAGS = -Wl,-z,defs -lpthread -shared -version-info 1:0:0
 libloc_pla_la_CPPFLAGS = $(AM_CFLAGS) $(AM_CPPFLAGS)
 endif
 
diff --git a/utils/platform_lib_abstractions/loc_stub/src/Makefile.am b/utils/platform_lib_abstractions/loc_stub/src/Makefile.am
index 8bda711..ba823a2 100644
--- a/utils/platform_lib_abstractions/loc_stub/src/Makefile.am
+++ b/utils/platform_lib_abstractions/loc_stub/src/Makefile.am
@@ -26,11 +26,11 @@
 
 if USE_GLIB
 libloc_stub_la_CFLAGS = -DUSE_GLIB $(AM_CFLAGS) @GLIB_CFLAGS@
-libloc_stub_la_LDFLAGS = -lstdc++ -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
+libloc_stub_la_LDFLAGS = -lstdc++ -Wl,-z,defs -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
 libloc_stub_la_CPPFLAGS = -DUSE_GLIB $(AM_CFLAGS) $(AM_CPPFLAGS) @GLIB_CFLAGS@
 else
 libloc_stub_la_CFLAGS = $(AM_CFLAGS)
-libloc_stub_la_LDFLAGS = -lpthread -shared -version-info 1:0:0
+libloc_stub_la_LDFLAGS = -Wl,-z,defs -lpthread -shared -version-info 1:0:0
 libloc_stub_la_CPPFLAGS = $(AM_CFLAGS) $(AM_CPPFLAGS)
 endif