diff --git a/examples/Makefile.am b/examples/Makefile.am
index 86801c645..ae3e5f743 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -20,7 +20,8 @@ endif
 
 common_ldadd = \
 	$(COGL_DEP_LIBS) \
-	$(top_builddir)/cogl/libcogl.la
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
 
 if !USE_GLIB
 common_ldadd += $(top_builddir)/deps/glib/libglib.la
diff --git a/tests/conform/Makefile.am b/tests/conform/Makefile.am
index e248e0d8a..9782755ae 100644
--- a/tests/conform/Makefile.am
+++ b/tests/conform/Makefile.am
@@ -132,7 +132,10 @@ AM_CPPFLAGS += \
 	-DCOGL_COMPILATION
 
 test_conformance_CFLAGS = -g3 -O0 $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
-test_conformance_LDADD = $(COGL_DEP_LIBS) $(top_builddir)/cogl/libcogl.la
+test_conformance_LDADD = \
+	$(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
 if !USE_GLIB
 test_conformance_LDADD += $(top_builddir)/deps/glib/libglib.la
 endif
diff --git a/tests/micro-perf/Makefile.am b/tests/micro-perf/Makefile.am
index c221dd66b..5c5f69d4f 100644
--- a/tests/micro-perf/Makefile.am
+++ b/tests/micro-perf/Makefile.am
@@ -19,5 +19,10 @@ endif
 
 AM_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
 
+common_ldadd = \
+	$(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
+
 test_journal_SOURCES = test-journal.c
-test_journal_LDADD = $(COGL_DEP_LIBS) $(top_builddir)/cogl/libcogl.la
+test_journal_LDADD = $(common_ldadd)