diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27996f2..eabc524 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -497,7 +497,7 @@ ELSE ()
 
 	ADD_C_FLAG_IF_SUPPORTED(-Wdocumentation)
 	ADD_C_FLAG_IF_SUPPORTED(-Wno-missing-field-initializers)
-	ADD_C_FLAG_IF_SUPPORTED(-Wstrict-aliasing=2)
+	ADD_C_FLAG_IF_SUPPORTED(-Wstrict-aliasing)
 	ADD_C_FLAG_IF_SUPPORTED(-Wstrict-prototypes)
 	ADD_C_FLAG_IF_SUPPORTED(-Wdeclaration-after-statement)
 	ADD_C_FLAG_IF_SUPPORTED(-Wno-unused-const-variable)