diff --git a/Cargo.lock b/Cargo.lock
index 960428b..1f027e9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -247,6 +247,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -385,18 +391,18 @@ checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.58"
+version = "1.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa1fb82fc0c281dd9671101b66b771ebbe1eaf967b96ac8740dcba4b70005ca8"
+checksum = "89ae43fd86e4158d6db51ad8e2b80f313af9cc74f5c0e03ccb87de09998732de"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.27"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f4f29d145265ec1c483c7c654450edde0bfe043d3938d6972630663356d9500"
+checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
 dependencies = [
  "proc-macro2",
 ]
@@ -432,6 +438,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -440,24 +452,36 @@ checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
 
 [[package]]
 name = "serde"
-version = "1.0.163"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2113ab51b87a539ae008b5c6c02dc020ffa39afd2d83cffcb3f4eb2722cebec2"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.163"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.143"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d401abef1d108fbd9cbaebc3e46611f4b1021f714a0597a71f41ee463f5f4a5a"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.2"
@@ -518,9 +542,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "2.0.16"
+version = "2.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6f671d4b5ffdb8eadec19c0ae67fe2639df8684bd7bc4b83d986b8db549cf01"
+checksum = "ede7c438028d4436d71104916910f5bb611972c5cfd7f89b8300a8186e6fada6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -688,6 +712,7 @@ dependencies = [
  "crossbeam-utils",
  "regex",
  "serde",
+ "serde_json",
  "smithay-client-toolkit",
  "toml",
  "tracing",
diff --git a/Cargo.toml b/Cargo.toml
index 162f1f5..4a8b6b8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,7 @@ clap = { version = "4.3.0", features = ["derive"] }
 crossbeam-utils = "0.8.15"
 regex = "1.8"
 serde = { version = "1.0.163", features = ["derive"] }
+serde_json = "1.0.143"
 smithay-client-toolkit = "0.16.1"
 toml = "0.7.4"
 tracing = "0.1.37"
diff --git a/README.md b/README.md
index 3ce05a4..5d5bcc9 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,9 @@ timeout_ms = 250  # default
 # (Useful for debugging purposes when setting up several hot corners.)
 color = "#FFFF0000"  # default
 
+# Whether waycorner should work when fullscreen
+disable_when_fullscreen = true  # default
+
 # Optional output config to specify what output to use.
 [main-monitor.output]
 # Regex to match output descriptions on.
diff --git a/src/config.rs b/src/config.rs
index f55791d..a141754 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -35,6 +35,10 @@ fn default_command() -> Vec<String> {
     Vec::new()
 }
 
+fn default_disable_when_fullscreen() -> bool {
+    true
+}
+
 fn from_hex<'de, D>(deserializer: D) -> Result<u32, D::Error>
 where
     D: Deserializer<'de>,
@@ -77,6 +81,8 @@ pub struct CornerConfig {
     pub timeout_ms: u16,
     #[serde(default = "default_color", deserialize_with = "from_hex")]
     pub color: u32,
+    #[serde(default = "default_disable_when_fullscreen")]
+    pub disable_when_fullscreen: bool,
 }
 
 #[derive(Clone, Debug, Deserialize)]
diff --git a/src/corner.rs b/src/corner.rs
index 817834a..dec519f 100644
--- a/src/corner.rs
+++ b/src/corner.rs
@@ -7,11 +7,13 @@ use std::{
         Arc, Mutex,
     },
     time::{Duration, Instant},
+    env,
 };
 
 use anyhow::Result;
 use regex::Regex;
 use tracing::{debug, info};
+use serde_json::{Value, from_slice};
 
 use crate::config::CornerConfig;
 
@@ -66,12 +68,16 @@ impl Corner {
                 }
                 Err(_error) => {
                     if let Some(event) = last_event {
-                        if event == CornerEvent::Enter {
-                            self.execute_command(&self.config.enter_command)?;
-                        } else if event == CornerEvent::Leave {
-                            self.execute_command(&self.config.exit_command)?;
+                        if self.config.disable_when_fullscreen && self.is_fullscreen() {
+                            debug!("In fullscreen mode");
+                        } else {
+                            if event == CornerEvent::Enter {
+                                self.execute_command(&self.config.enter_command)?;
+                            } else if event == CornerEvent::Leave {
+                                self.execute_command(&self.config.exit_command)?;
+                            }
+                            command_done_at = Some(Instant::now());
                         }
-                        command_done_at = Some(Instant::now());
                     }
                     last_event = None;
                 }
@@ -108,6 +114,30 @@ impl Corner {
             .unwrap_or(true)
     }
 
+    pub fn is_fullscreen(&self) -> bool {
+        let desktop = env::var("XDG_CURRENT_DESKTOP")
+            .ok()
+            .map(|s| s.to_lowercase());
+        match desktop.as_deref() {
+            Some("hyprland") => {
+                let status = Command::new("hyprctl")
+                    .args(["activewindow", "-j"])
+                    .output()
+                    .ok()
+                    .and_then(|output| from_slice::<Value>(&output.stdout).ok())
+                    .unwrap()
+                    .get("fullscreen")
+                    .and_then(|v| v.as_i64());
+                return status == Some(2);
+            },
+            Some("sway") => {
+                // TODO: add sway equivalent
+                return false;
+            },
+            _ => false
+        }
+    }
+
     fn execute_command(&self, command: &[String]) -> Result<()> {
         if let Some(binary) = command.first() {
             let args = command