diff --git a/configure.ac b/configure.ac
index 2947d14b97..56bca66562 100644
--- a/configure.ac
+++ b/configure.ac
@@ -326,18 +326,20 @@ if test "x$HAVE_WINSOCK2_H" = "xyes"; then
 fi
 
 dnl check for GMP/GSL, used by the gst_util_uint64_scale unit test only
-AG_GST_CHECK_LIBHEADER(GMP, gmp,
-                        __gmpz_init_set_d, ,
-                        gmp.h,
-                        GMP_LIBS="-lgmp"
-                        AC_SUBST(GMP_LIBS)
-			AC_DEFINE(HAVE_GMP, [1],[Have GMP library]))
-AG_GST_CHECK_LIBHEADER(GSL, gsl,
-                        gsl_rng_uniform_int, -lgslcblas,
-                        gsl/gsl_rng.h,
-                        GSL_LIBS="-lgsl -lgslcblas"
-                        AC_SUBST(GSL_LIBS)
-			AC_DEFINE(HAVE_GSL, [1],[Have GSL library]))
+if test "x$BUILD_TESTS" = "xyes"; then
+  AG_GST_CHECK_LIBHEADER(GMP, gmp,
+                         __gmpz_init_set_d, ,
+                         gmp.h,
+                         GMP_LIBS="-lgmp"
+                         AC_SUBST(GMP_LIBS)
+                         AC_DEFINE(HAVE_GMP, [1],[Have GMP library]))
+  AG_GST_CHECK_LIBHEADER(GSL, gsl,
+                         gsl_rng_uniform_int, -lgslcblas,
+                         gsl/gsl_rng.h,
+                         GSL_LIBS="-lgsl -lgslcblas"
+                         AC_SUBST(GSL_LIBS)
+                         AC_DEFINE(HAVE_GSL, [1],[Have GSL library]))
+fi
 
 dnl *** checks for types/defines ***