diff --git a/source/function_patcher.cpp b/source/function_patcher.cpp
index 715102e..39bf5ff 100644
--- a/source/function_patcher.cpp
+++ b/source/function_patcher.cpp
@@ -63,6 +63,9 @@ bool PatchFunction(std::shared_ptr<PatchedFunctionData> &patchedFunction) {
         return false;
     }
 
+    DCFlushRange(gJumpHeapData, JUMP_HEAP_DATA_SIZE);
+    ICInvalidateRange(gJumpHeapData, JUMP_HEAP_DATA_SIZE);
+
     if (patchedFunction->functionName) {
         DEBUG_FUNCTION_LINE("Patching function %s...", patchedFunction->functionName->c_str());
     } else {
@@ -85,6 +88,9 @@ bool PatchFunction(std::shared_ptr<PatchedFunctionData> &patchedFunction) {
     // Write this->replaceWithInstruction to the first instruction of the function we want to replace.
     CThread::runOnAllCores(writeDataAndFlushIC, patchedFunction.get());
 
+    DCFlushRange(gJumpHeapData, JUMP_HEAP_DATA_SIZE);
+    ICInvalidateRange(gJumpHeapData, JUMP_HEAP_DATA_SIZE);
+
     // Set patch status
     patchedFunction->isPatched = true;