diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cc7087635..81a43e002 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -18,7 +18,7 @@ COMPILE_DEFINITIONS ERESSEA_VERSION="${ERESSEA_VERSION}")
 ENDIF()
 
 IF (CMAKE_COMPILER_IS_GNUCC)
-    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Wno-error=unused-but-set-variable")
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=unused-but-set-variable")
 ENDIF()
 IF (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
 #    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wconversion -Wno-sign-conversion")