diff --git a/lib/misc_utils/time_spec.cc b/lib/misc_utils/time_spec.cc
index 205508d..39b0a86 100644
--- a/lib/misc_utils/time_spec.cc
+++ b/lib/misc_utils/time_spec.cc
@@ -15,7 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
 
-#include "time_spec.h"
+#include <grgsm/misc_utils/time_spec.h>
 
 namespace gr {
   namespace gsm {