diff --git a/cmake/buildOptions.cmake b/cmake/buildOptions.cmake
index 3edfc0d..aa5eedf 100644
--- a/cmake/buildOptions.cmake
+++ b/cmake/buildOptions.cmake
@@ -80,9 +80,6 @@ if(DEFINED ENABLE_ALL_OT)
 	set(ENABLE_SILENT_VOLE		  ${ENABLE_ALL_OT}						CACHE BOOL "" FORCE)
 	unset(ENABLE_ALL_OT CACHE)
 
-	if(ENABLE_IKNP)
-		set(ENABLE_KOS true)
-	endif()
 endif()
 
 
@@ -132,6 +129,9 @@ endif()
 
 option(VERBOSE_FETCH        "Print build info for fetched libraries" ON)
 
+if(ENABLE_IKNP)
+	set(ENABLE_KOS true)
+endif()
 
 message(STATUS "General Options\n=======================================================")
 
@@ -210,6 +210,10 @@ if ((ENABLE_SIMPLESTOT OR ENABLE_MR OR ENABLE_NP OR ENABLE_MRR) AND NOT (ENABLE_
 	message(FATAL_ERROR "ENABLE_SIMPLESTOT, ENABLE_MR, ENABLE_NP, and ENABLE_MRR require ENABLE_SODIUM or ENABLE_RELIC")
 endif()
 
+if(ENABLE_IKNP AND NOT ENABLE_KOS)
+	message(FATAL_ERROR "ENABLE_IKNP requires ENABLE_KOS")
+endif()
+
 
 
 #include(${CMAKE_CURRENT_LIST_DIR}/../cryptoTools/cmake/cryptoToolsBuildOptions.cmake)
diff --git a/libOTe/Tools/Pprf/RegularPprf.h b/libOTe/Tools/Pprf/RegularPprf.h
index 3156986..75a3d73 100644
--- a/libOTe/Tools/Pprf/RegularPprf.h
+++ b/libOTe/Tools/Pprf/RegularPprf.h
@@ -707,7 +707,6 @@ namespace osuCrypto
 			bool programPuncturedPoint,
 			u64 numThreads,
 			CoeffCtx ctx = {})
-		try 
 		{
 			MACORO_TRY{
 				pprf::validateExpandFormat(oFormat, output, mDomain, mPntCount);