diff --git a/generators/builtins/primitives/WasmPrimitivesGenerator.kt b/generators/builtins/primitives/WasmPrimitivesGenerator.kt
index 33abb5f4c98..c807ba3bc69 100644
--- a/generators/builtins/primitives/WasmPrimitivesGenerator.kt
+++ b/generators/builtins/primitives/WasmPrimitivesGenerator.kt
@@ -99,7 +99,7 @@ class WasmPrimitivesGenerator(writer: PrintWriter) : BasePrimitivesGenerator(wri
                     }
                 }
                 "rem" -> when (thisKind) {
-                    in PrimitiveType.floatingPoint -> "this - (wasm_${thisKind.prefixLowercase}_truncate(this / $parameterName) * $parameterName)"
+                    in PrimitiveType.floatingPoint -> "wasm_${thisKind.prefixLowercase}_copysign(this - (wasm_${thisKind.prefixLowercase}_truncate(this / $parameterName) * $parameterName), this)"
                     else -> return implementAsIntrinsic(thisKind, methodName)
                 }
                 else -> return implementAsIntrinsic(thisKind, methodName)
diff --git a/libraries/stdlib/test/numbers/FloorDivModTest.kt b/libraries/stdlib/test/numbers/FloorDivModTest.kt
index 8dc8a0a5218..83745d38043 100644
--- a/libraries/stdlib/test/numbers/FloorDivModTest.kt
+++ b/libraries/stdlib/test/numbers/FloorDivModTest.kt
@@ -34,6 +34,7 @@ class FloorDivModTest {
         check(10, 3, 3, 1)
         check(-10, 3, -4, 2)
         check(-10, -3, 3, -1)
+        check(-2, 2, -1, -0)
         val values = listOf(1, -1, 2, -2, 3, -3, Int.MIN_VALUE, Int.MAX_VALUE)
         for (a in values + 0) {
             for (b in values) {
@@ -69,6 +70,7 @@ class FloorDivModTest {
         check(10, 3, 3, 1)
         check(-10, 3, -4, 2)
         check(-10, -3, 3, -1)
+        check(-2, 2, -1, -0)
         val values = listOf(1, -1, 2, -2, 3, -3, Long.MIN_VALUE, Long.MAX_VALUE)
         for (a in values + 0) {
             for (b in values) {
@@ -104,6 +106,7 @@ class FloorDivModTest {
         check(10, 3, 3, 1)
         check(-10, 3, -4, 2)
         check(-10, -3, 3, -1)
+        check(-2, 2, -1, -0)
         val values = listOf(1, -1, 2, -2, 3, -3, Byte.MIN_VALUE, Byte.MAX_VALUE)
         for (a in values + 0) {
             for (b in values) {
@@ -139,6 +142,7 @@ class FloorDivModTest {
         check(10, 3, 3, 1)
         check(-10, 3, -4, 2)
         check(-10, -3, 3, -1)
+        check(-2, 2, -1, -0)
         val values = listOf(1, -1, 2, -2, 3, -3, Short.MIN_VALUE, Short.MAX_VALUE)
         for (a in values + 0) {
             for (b in values) {
@@ -221,6 +225,7 @@ class FloorDivModTest {
         check(10.125, 0.5, 0.125)
         check(-10.125, 0.5, 0.375)
         check(-10.125, -0.5, -0.125)
+        check(-2.0, 2.0, -0.0)
         val large = 2.0.pow(53)
         check(0.025, large, 0.025)
         check(-0.025, large, expectedMod = large)
@@ -259,6 +264,7 @@ class FloorDivModTest {
         check(10.125f, 0.5f, 0.125f)
         check(-10.125f, 0.5f, 0.375f)
         check(-10.125f, -0.5f, -0.125f)
+        check(-2.0f, 2.0f, -0.0f)
         val large = 2.0f.pow(53)
         check(0.025f, large, 0.025f)
         check(-0.025f, large, expectedMod = large)
diff --git a/libraries/stdlib/wasm/builtins/kotlin/Primitives.kt b/libraries/stdlib/wasm/builtins/kotlin/Primitives.kt
index 659741c7e87..353478c1a9e 100644
--- a/libraries/stdlib/wasm/builtins/kotlin/Primitives.kt
+++ b/libraries/stdlib/wasm/builtins/kotlin/Primitives.kt
@@ -2155,7 +2155,7 @@ public class Float private constructor(private val value: Float) : Number(), Com
     @SinceKotlin("1.1")
     @kotlin.internal.IntrinsicConstEvaluation
     public operator fun rem(other: Float): Float =
-        this - (wasm_f32_truncate(this / other) * other)
+        wasm_f32_copysign(this - (wasm_f32_truncate(this / other) * other), this)
 
     /**
      * Calculates the remainder of truncating division of this value (dividend) by the other value (divisor).
@@ -2565,7 +2565,7 @@ public class Double private constructor(private val value: Double) : Number(), C
     @SinceKotlin("1.1")
     @kotlin.internal.IntrinsicConstEvaluation
     public operator fun rem(other: Double): Double =
-        this - (wasm_f64_truncate(this / other) * other)
+        wasm_f64_copysign(this - (wasm_f64_truncate(this / other) * other), this)
 
     /**
      * Returns this value incremented by one.