diff --git a/profinet_stack/p-net/CMakeLists.txt b/profinet_stack/p-net/CMakeLists.txt
index 27c0e8d..27b53a9 100644
--- a/profinet_stack/p-net/CMakeLists.txt
+++ b/profinet_stack/p-net/CMakeLists.txt
@@ -188,7 +188,7 @@ generate_export_header(profinet
 
 set_target_properties (profinet pn_dev
   PROPERTIES
-  C_STANDARD 99
+  C_STANDARD 11
   )
 
 target_compile_features(profinet PUBLIC c_std_99)
diff --git a/profinet_stack/p-net/cmake/Linux.cmake b/profinet_stack/p-net/cmake/Linux.cmake
index 2a19f88..df29df1 100644
--- a/profinet_stack/p-net/cmake/Linux.cmake
+++ b/profinet_stack/p-net/cmake/Linux.cmake
@@ -47,7 +47,6 @@ target_compile_options(profinet
   PRIVATE
   -Wall
   -Wextra
-  -Werror
   -Wno-unused-parameter
   -ffunction-sections
   -fdata-sections
@@ -83,7 +82,6 @@ target_compile_options(pn_dev
   PRIVATE
   -Wall
   -Wextra
-  -Werror
   -Wno-unused-parameter
   -ffunction-sections
   -fdata-sections