diff --git a/appveyor.yml b/appveyor.yml
index 8a3ec800..897143ec 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -133,7 +133,7 @@ init:
 # toolsets for Ninja or Makefiles as far as cmake is concerned, so 
 # the --config / -C switches on builds do nothing...!
 before_build:
-- if DEFINED LLVM_VERSION (if call %vcvars_script% && cd C:\projects\sol2)
+- if DEFINED LLVM_VERSION (call %vcvars_script% && cd C:\projects\sol2)
 - md build-sol2
 - cd build-sol2
 - cmake .. -G "%CMAKE_GENERATOR%" %build_type% %build_compiler% -DLUA_VERSION="%LUA_VERSION%" -DBUILD_LUA=ON -DBUILD_LUA_AS_DLL=OFF -DTESTS=ON -DEXAMPLES=ON -DSINGLE=ON -DTESTS_EXAMPLES=ON -DTESTS_SINGLE=ON