diff --git a/src/cmake/FindGMP.cmake b/src/cmake/FindGMP.cmake
index 96d4a55e..f5ba230d 100644
--- a/src/cmake/FindGMP.cmake
+++ b/src/cmake/FindGMP.cmake
@@ -15,7 +15,7 @@
 # Copyright (c) 2016 Jack Poulson, <jack.poulson@gmail.com>
 # Redistribution and use is allowed according to the terms of the BSD license.
 
-find_path(GMP_INCLUDES NAMES gmp.h PATHS $ENV{GMPDIR} ${INCLUDE_INSTALL_DIR})
+find_path(GMP_INCLUDES NAMES break-gmp.h PATHS $ENV{GMPDIR} ${INCLUDE_INSTALL_DIR})
 
 # Set GMP_FIND_VERSION to 5.1.0 if no minimum version is specified
 if(NOT GMP_FIND_VERSION)