diff --git a/client/common/CMakeLists.txt b/client/common/CMakeLists.txt
index 9947bf61e..f82bf1486 100644
--- a/client/common/CMakeLists.txt
+++ b/client/common/CMakeLists.txt
@@ -36,13 +36,13 @@ foreach(FREERDP_CHANNELS_CLIENT_SRC ${FREERDP_CHANNELS_CLIENT_SRCS})
 endforeach()
 
 if(UNIX)
-	option(WITH_SSO_MIB "Build with sso-mib support" OFF)
+  option(WITH_SSO_MIB "Build with sso-mib support" OFF)
 else()
-	set(WITH_SSO_MIB OFF CACHE INTERNAL "unsupported platform")
+  set(WITH_SSO_MIB OFF CACHE INTERNAL "unsupported platform")
 endif()
 
 if(WITH_SSO_MIB)
-	find_package(SSO_MIB REQUIRED)
+  find_package(SSO_MIB REQUIRED)
 endif()
 
 if(NOT APPLE AND NOT WIN32 AND NOT ANDROID)