diff --git a/src/config.h.in b/src/config.h.in
index 7ad1d41..ff5de16 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -21,8 +21,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-#ifndef CONFIG_H
-#define CONFIG_H
+#ifndef EOSIOKEYGEN_CONFIG_H
+#define EOSIOKEYGEN_CONFIG_H
 
 #define PROGRAM_NAME "@PROJECT_NAME@"
 #define PROGRAM_VERSION "@PROJECT_VERSION@"
@@ -31,4 +31,4 @@
 #define CONFIG_SHARE_PATH "@CMAKE_INSTALL_DATADIR@/@CMAKE_PROJECT_NAME@"
 #define CONFIG_SHARE_FULL_PATH "@CMAKE_INSTALL_FULL_DATADIR@/@CMAKE_PROJECT_NAME@"
 
-#endif /* CONFIG_H */
+#endif /* EOSIOKEYGEN_CONFIG_H */