diff --git a/BUILD.gn b/BUILD.gn
index 2d75349..1550209 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -51,7 +51,7 @@
   }
 
   if (is_posix && !is_clang) {  # When GCC.
-    cflags += [ "-Wno-error=strict-overflow" ]
+    cflags += [ "-Wno-strict-overflow" ]
   }
 }
 
diff --git a/xfa.gyp b/xfa.gyp
index ead79d3..14a8130 100644
--- a/xfa.gyp
+++ b/xfa.gyp
@@ -699,7 +699,7 @@
         ["clang==1" , {
         }],
         ["os_posix==1 and clang==0", { # When GCC
-          'cflags': [ '-Wno-error=strict-overflow' ],
+          'cflags': [ '-Wno-strict-overflow' ],
         }],
         ["pdf_enable_v8==1", {
           'dependencies': [