diff --git a/lib/libimhex/source/data_processor/node.cpp b/lib/libimhex/source/data_processor/node.cpp
index db0052e30..782b0131c 100644
--- a/lib/libimhex/source/data_processor/node.cpp
+++ b/lib/libimhex/source/data_processor/node.cpp
@@ -99,6 +99,9 @@ namespace hex::dp {
         if (attribute.getIOType() != Attribute::IOType::Out)
             throwNodeError("Tried to set output data of an input attribute!");
 
+        if (attribute.getType() != Attribute::Type::Buffer)
+            throwNodeError("Tried to set buffer on non-buffer attribute!");
+
         attribute.getOutputData() = { data.begin(), data.end() };
     }
 
@@ -111,6 +114,9 @@ namespace hex::dp {
         if (attribute.getIOType() != Attribute::IOType::Out)
             throwNodeError("Tried to set output data of an input attribute!");
 
+        if (attribute.getType() != Attribute::Type::Integer)
+            throwNodeError("Tried to set integer on non-integer attribute!");
+
         std::vector<u8> buffer(sizeof(integer), 0);
         std::memcpy(buffer.data(), &integer, sizeof(integer));
 
@@ -126,6 +132,9 @@ namespace hex::dp {
         if (attribute.getIOType() != Attribute::IOType::Out)
             throwNodeError("Tried to set output data of an input attribute!");
 
+        if (attribute.getType() != Attribute::Type::Float)
+            throwNodeError("Tried to set float on non-float attribute!");
+
         std::vector<u8> buffer(sizeof(floatingPoint), 0);
         std::memcpy(buffer.data(), &floatingPoint, sizeof(floatingPoint));
 
diff --git a/plugins/builtin/source/content/data_processor_nodes.cpp b/plugins/builtin/source/content/data_processor_nodes.cpp
index 8b7579184..eb1f40528 100644
--- a/plugins/builtin/source/content/data_processor_nodes.cpp
+++ b/plugins/builtin/source/content/data_processor_nodes.cpp
@@ -534,7 +534,7 @@ namespace hex::plugin::builtin {
 
             i128 output = 0;
             if (input.empty() || input.size() > sizeof(output))
-                throwNodeError("Buffer is empty or bigger than 64 bits");
+                throwNodeError("Buffer is empty or bigger than 128 bits");
 
             std::memcpy(&output, input.data(), input.size());
 
@@ -691,7 +691,7 @@ namespace hex::plugin::builtin {
         void process() override {
             const auto &input = this->getFloatOnInput(0);
 
-            this->setIntegerOnOutput(1, std::ceil(input));
+            this->setFloatOnOutput(1, std::ceil(input));
         }
     };
 
@@ -702,7 +702,7 @@ namespace hex::plugin::builtin {
         void process() override {
             const auto &input = this->getFloatOnInput(0);
 
-            this->setIntegerOnOutput(1, std::floor(input));
+            this->setFloatOnOutput(1, std::floor(input));
         }
     };
 
@@ -713,7 +713,7 @@ namespace hex::plugin::builtin {
         void process() override {
             const auto &input = this->getFloatOnInput(0);
 
-            this->setIntegerOnOutput(1, std::round(input));
+            this->setFloatOnOutput(1, std::round(input));
         }
     };