diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/CMakeLists.txt b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/CMakeLists.txt
index 6f27e67e9..694201582 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/CMakeLists.txt
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/CMakeLists.txt
@@ -35,6 +35,7 @@ set(LIBVER 0.0.0)
 set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) #allows this to be a sub-project
 set(CMAKE_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) #allows this to be a sub-project
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) #location for custom "Modules"
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11")
 
 ########################################################################
 # Environment setup