diff --git a/src/maths/cmaths/Makefile.am b/src/maths/cmaths/Makefile.am
index f17954bde..5c959e8f4 100644
--- a/src/maths/cmaths/Makefile.am
+++ b/src/maths/cmaths/Makefile.am
@@ -15,6 +15,7 @@ libcmaths_la_SOURCES = \
 
 if !TCL_MODULE
 if !WINGUI
+if !SHARED_MODULE
 
 noinst_PROGRAMS = test_cx_mag test_cx_j test_cx_ph test_cx_cph
 
@@ -52,6 +53,7 @@ test_cx_j_LDADD = \
 
 TESTS = test_cx_mag test_cx_j test_cx_ph test_cx_cph
 
+endif !SHARED_MODULE
 endif !WINGUI
 endif !TCL_MODULE