diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39e048dfaeb..afbdc90625f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ All PRs to the Wasmer repository must add to this file.
 Blocks of changes will separated by version increments.
 
 ## **[Unreleased]**
+- [#515](https://github.com/wasmerio/wasmer/pull/510) Improved Emscripten dyncalls
 - [#513](https://github.com/wasmerio/wasmer/pull/510) Fix emscripten lseek implementation.
 - [#510](https://github.com/wasmerio/wasmer/pull/510) Simplify construction of floating point constants in LLVM backend. Fix LLVM assertion failure due to definition of %ctx.
 
diff --git a/lib/emscripten/src/emscripten_target.rs b/lib/emscripten/src/emscripten_target.rs
index 7e0b81af29b..3ec4b83af45 100644
--- a/lib/emscripten/src/emscripten_target.rs
+++ b/lib/emscripten/src/emscripten_target.rs
@@ -634,6 +634,11 @@ pub fn invoke_iij(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: i32) -> i32 {
     invoke!(ctx, dyn_call_iij, index, a1, a2, a3)
 }
 
+pub fn invoke_iji(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: i32) -> i32 {
+    debug!("emscripten::invoke_iji");
+    invoke!(ctx, dyn_call_iji, index, a1, a2, a3)
+}
+
 pub fn invoke_iiji(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: i32, a4: i32) -> i32 {
     debug!("emscripten::invoke_iiji");
     invoke!(ctx, dyn_call_iiji, index, a1, a2, a3, a4)
@@ -853,6 +858,10 @@ pub fn invoke_vijj(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: i32, a4: i32
         panic!("dyn_call_vijj is set to None");
     }
 }
+pub fn invoke_vidd(ctx: &mut Ctx, index: i32, a1: i32, a2: f64, a3: f64) {
+    debug!("emscripten::invoke_viid");
+    invoke_no_return!(ctx, dyn_call_vidd, index, a1, a2, a3);
+}
 pub fn invoke_viid(ctx: &mut Ctx, index: i32, a1: i32, a2: i32, a3: f64) {
     debug!("emscripten::invoke_viid");
     invoke_no_return!(ctx, dyn_call_viid, index, a1, a2, a3);
diff --git a/lib/emscripten/src/lib.rs b/lib/emscripten/src/lib.rs
index e7b51a26a91..a61d02295b2 100644
--- a/lib/emscripten/src/lib.rs
+++ b/lib/emscripten/src/lib.rs
@@ -124,6 +124,7 @@ pub struct EmscriptenData<'a> {
     pub dyn_call_viiiiiiiiii:
         Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)>>,
     pub dyn_call_iij: Option<Func<'a, (i32, i32, i32, i32), i32>>,
+    pub dyn_call_iji: Option<Func<'a, (i32, i32, i32, i32), i32>>,
     pub dyn_call_iiji: Option<Func<'a, (i32, i32, i32, i32, i32), i32>>,
     pub dyn_call_iiijj: Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32), i32>>,
     pub dyn_call_j: Option<Func<'a, i32, i32>>,
@@ -146,6 +147,7 @@ pub struct EmscriptenData<'a> {
     pub dyn_call_vijiii: Option<Func<'a, (i32, i32, i32, i32, i32, i32, i32)>>,
     pub dyn_call_vijj: Option<Func<'a, (i32, i32, i32, i32, i32, i32)>>,
     pub dyn_call_viid: Option<Func<'a, (i32, i32, i32, f64)>>,
+    pub dyn_call_vidd: Option<Func<'a, (i32, i32, f64, f64)>>,
     pub dyn_call_viidii: Option<Func<'a, (i32, i32, i32, f64, i32, i32)>>,
     pub dyn_call_viidddddddd:
         Option<Func<'a, (i32, i32, i32, f64, f64, f64, f64, f64, f64, f64, f64)>>,
@@ -197,6 +199,7 @@ impl<'a> EmscriptenData<'a> {
         let dyn_call_viiiiiiiii = instance.func("dynCall_viiiiiiiii").ok();
         let dyn_call_viiiiiiiiii = instance.func("dynCall_viiiiiiiiii").ok();
         let dyn_call_iij = instance.func("dynCall_iij").ok();
+        let dyn_call_iji = instance.func("dynCall_iji").ok();
         let dyn_call_iiji = instance.func("dynCall_iiji").ok();
         let dyn_call_iiijj = instance.func("dynCall_iiijj").ok();
         let dyn_call_j = instance.func("dynCall_j").ok();
@@ -218,6 +221,7 @@ impl<'a> EmscriptenData<'a> {
         let dyn_call_vijiii = instance.func("dynCall_vijiii").ok();
         let dyn_call_vijj = instance.func("dynCall_vijj").ok();
         let dyn_call_viid = instance.func("dynCall_viid").ok();
+        let dyn_call_vidd = instance.func("dynCall_vidd").ok();
         let dyn_call_viidii = instance.func("dynCall_viidii").ok();
         let dyn_call_viidddddddd = instance.func("dynCall_viidddddddd").ok();
 
@@ -263,6 +267,7 @@ impl<'a> EmscriptenData<'a> {
             dyn_call_viiiiiiiii,
             dyn_call_viiiiiiiiii,
             dyn_call_iij,
+            dyn_call_iji,
             dyn_call_iiji,
             dyn_call_iiijj,
             dyn_call_j,
@@ -284,6 +289,7 @@ impl<'a> EmscriptenData<'a> {
             dyn_call_vijiii,
             dyn_call_vijj,
             dyn_call_viid,
+            dyn_call_vidd,
             dyn_call_viidii,
             dyn_call_viidddddddd,
             temp_ret_0: 0,
@@ -912,6 +918,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
         "invoke_viiiiiiiii" => func!(crate::emscripten_target::invoke_viiiiiiiii),
         "invoke_viiiiiiiiii" => func!(crate::emscripten_target::invoke_viiiiiiiiii),
         "invoke_iij" => func!(crate::emscripten_target::invoke_iij),
+        "invoke_iji" => func!(crate::emscripten_target::invoke_iji),
         "invoke_iiji" => func!(crate::emscripten_target::invoke_iiji),
         "invoke_iiijj" => func!(crate::emscripten_target::invoke_iiijj),
         "invoke_j" => func!(crate::emscripten_target::invoke_j),
@@ -930,6 +937,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
         "invoke_viji" => func!(crate::emscripten_target::invoke_viji),
         "invoke_vijiii" => func!(crate::emscripten_target::invoke_vijiii),
         "invoke_vijj" => func!(crate::emscripten_target::invoke_vijj),
+        "invoke_vidd" => func!(crate::emscripten_target::invoke_vidd),
         "invoke_viid" => func!(crate::emscripten_target::invoke_viid),
         "invoke_viidii" => func!(crate::emscripten_target::invoke_viidii),
         "invoke_viidddddddd" => func!(crate::emscripten_target::invoke_viidddddddd),